Publications

[282] Chaemin Im, Jonghoon Yoon, Wonseok Jang, Geonyoung Kim, Hyun Sung Noh, Jaheum Koo, Hyunsoo Park, Wonju Jung, Jaemin Kim, Sangwon Yoon, Haigun Lee, Seungyong Hahn, Sangjin Lee, “Study on Mechanical Movements of HTS Coils Due to Winding and Thermal Effect,” IEEE Transactions on Applied Superconductivity, vol. 36, no. 3, pp. 1-5, 2026, doi: 10.1109/tasc.2025.3650495.

[281] Wonju Jung, Chaemin Im, Kibum Choi, Jeonghwan Park, Hyunsoo Park, Seungyong Hahn, “Stress Concentration At the Joints of a Stacked NI REBCO Magnet During Quench Transient,” IEEE Transactions on Applied Superconductivity, vol. 36, no. 3, pp. 1-5, 2026, doi: 10.1109/tasc.2025.3643822.

[280] Jung Tae Lee, Geonyoung Kim, Hyunsoo Park, Jeonghwan Park, Chaemin Im, Wonseok Jang, Jaemin Kim, Seungyong Hahn, “Stochastic Analysis on the Factors Affecting Critical Current and Index Value of Multi-Tape Co-Wound NI HTS Coil,” IEEE Transactions on Applied Superconductivity, vol. 36, no. 3, pp. 1-5, 2026, doi: 10.1109/tasc.2026.3652118.

[279] Jeseok Bang, Jonathan Lee, Takanobu Mato, So Noguchi, Seungyong Hahn, David Larbalestier, “Screening Current Simulations of Quasi-Layer-Wound and Pancake-Wound REBCO Coils,” IEEE Transactions on Applied Superconductivity, vol. 36, no. 3, pp. 1-5, 2026, doi: 10.1109/tasc.2025.3632775.

[278] A. Musso, J.T. Lee, Y. Yan, J. Bang, N. Riva, C. Im, G. Kim, M. Bocchi, G. Angeli, S. Hahn, “Preliminary Experimental Investigation of Graded Insulation on the Performance of HTS Pancake Coils,” IEEE Transactions on Applied Superconductivity, vol. 36, no. 3, pp. 1-7, 2026, doi: 10.1109/tasc.2026.3659063.

[277] EunSeok Yang, JuKyung Cha, Jonghoon Yoon, Jaheum Koo, Seungyong Hahn, Sangjin Lee, “Performance and Characteristic Evaluation of a No-Insulation Superconducting Field Coil for High-Speed Homopolar Motors: Electromagnetic, Structural, Thermal, and NI Behavior Analysis,” IEEE Transactions on Applied Superconductivity, vol. 36, no. 3, pp. 1-5, 2026, doi: 10.1109/tasc.2026.3656856.

[276] Jonghoon Yoon, Jung Tae Lee, JuKyung Cha, Kibum Choi, Jaheum Koo, EunSeok Yang, Seungyong Hahn, “Numerical Study on Screening Current Induced Stress of Dry-Wound HTS Racetrack Coil,” IEEE Transactions on Applied Superconductivity, vol. 36, no. 3, pp. 1-5, 2026, doi: 10.1109/tasc.2025.3635114.

[275] Seong Hyeon Park, Gahyun Choi, Eunjong Kim, Gwanyeol Park, Jisoo Choi, Jiman Choi, Yonuk Chong, Yong-Ho Lee, Seungyong Hahn, “Kinetic-inductance-incorporated quantization for accurate Hamiltonian prediction in superconducting circuits,” npj Quantum Information, vol. 12, no. 1, 2026, doi: 10.1038/s41534-026-01187-1.

[274] Dongwoo Lee, Jaemin Kim, Ye Lim Lee, Sangwon Yoon, Wonseok Jang, Jung Tae Lee, Sehyun Cho, Gaël Berthet, Dohyun Baek, Shailendra Chouhan, Seungyong Hahn, Sangjin Lee, “Inter-Tape Contact Resistance Characterization of Soldered Stacked-Tape Cable Samples in Liquid Nitrogen,” IEEE Transactions on Applied Superconductivity, vol. 36, no. 3, pp. 1-7, 2026, doi: 10.1109/tasc.2025.3643806.

[273] Geonyoung Kim, Jeonghwan Park, Wonju Jung, Hyunsoo Park, Yufan Yan, Jaemin Kim, Hongmin Yang, Minchul Ahn, Jeseok Bang, Garam Hahn, Seyong Choi, Hyoungku Kang, Seungyong Hahn, “Field uniformity enhancement in a prototype high-temperature superconducting dipole magnet,” Scientific Reports, vol. 16, no. 1, 2026, doi: 10.1038/s41598-025-33641-z.

[272] Wonju Jung, Jaemin Kim, Sangwon Yoon, Gaël Berthet, Wonseok Jang, EunSeok Yang, Jeonghwan Park, Sehun Jang, Iksang Shin, Sanghyeun Je, Jonghoon Yoon, Jaheum Koo, Sehyun Cho, Woodo Lee, Junghyun Lee, Seungyong Hahn, Sangjin Lee, “Fabrication and Test of a Cryogen-Free Bi-2212 Magnet Prototype for Solid-State Spin Qubit Applications,” IEEE Transactions on Applied Superconductivity, vol. 36, no. 3, pp. 1-5, 2026, doi: 10.1109/tasc.2025.3645673.

[271] Kibum Choi, Jung Tae Lee, Jaemin Kim, Hyunsoo Park, Chaemin Im, Jonghoon Yoon, Dongwoo Lee, Seungyong Hahn, “Empirical Softplus-Based Fitting Function for Magnetic Field-Angle-Temperature Dependent Critical Current in Commercial REBCO Wires,” IEEE Transactions on Applied Superconductivity, vol. 36, no. 3, pp. 1-6, 2026, doi: 10.1109/tasc.2026.3652540.

[270] JuKyung Cha, Chaemin Im, Jonghoon Yoon, Jaheum Koo, EunSeok Yang, Jaejin Kim, Sangwon Yoon, Seungyong Hahn, “Electromagnetic-Thermal Design and Analysis of Liquid Nitrogen Immersed Aluminum Armature With NI HTS Field Windings,” IEEE Transactions on Applied Superconductivity, vol. 36, no. 3, pp. 1-5, 2026, doi: 10.1109/tasc.2025.3647007.

[269] Jaheum Koo, Jonghoon Yoon, JuKyung Cha, EunSeok Yang, In Gyeong Park, Jaejin Kim, Dohun Kim, Kideok Sim, Sang Heon Lee, Seungyong Hahn, Sangjin Lee, “Design, Fabrication, and Experiment of Proto-Type Miniature Cylindrical Bulk YBCO Induction Motor for Cryogen Pump,” IEEE Transactions on Applied Superconductivity, vol. 36, no. 3, pp. 1-5, 2026, doi: 10.1109/tasc.2026.3653671.

[268] Hyunsoo Park, Jaemin Kim, JuKyung Cha, Jaheum Koo, Se Lee, Gaël Berthet, Younghoon Kim, Wonju Jung, Geonyoung Kim, Sangwon Yoon, Haigun Lee, Seungyong Hahn, Sangjin Lee, “Design, Construction, and Experiment of Roller Shaped High-Temperature Superconducting Coil Joint Apparatus,” IEEE Transactions on Applied Superconductivity, vol. 36, no. 3, pp. 1-5, 2026, doi: 10.1109/tasc.2025.3623090.

[267] Jaesang Kim, Minkyung Jeong, Yechan Kim, Bonhyuk Ku, Junyol Sohn, Seungcheol Lee, Garam Hahn, Seyong Choi, Seungyong Hahn, Hyoungku Kang, “Core Technologies in HTS Coils for Particle-Therapy Accelerators: PRPD-Based Defect Diagnostics and Fast-Ramping Field Response,” IEEE Transactions on Applied Superconductivity, vol. 36, no. 5, pp. 1-7, 2026, doi: 10.1109/tasc.2026.3664348.

[266] Gaël Berthet, Hyunsoo Park, Insung Park, Wonseok Jang, Wonju Jung, Jeonghwan Park, Minkyu Sun, Haigun Lee, Seungyong Hahn, Sangjin Lee, “Aging Effects in REBCO Tapes Solder Joint Made With Indium-Tin,” IEEE Transactions on Applied Superconductivity, vol. 36, no. 3, pp. 1-5, 2026, doi: 10.1109/tasc.2025.3633648.

[265] Boun Seo, Wooseung Lee, Jaehyeok Han, Hongmin Yang, Jaemin Kim, Young Jin Hwang, Minchul Ahn, Seungyong Hahn, Hankil Yeom, SangGap Lee, Jae Young Jang, “A Study on Determining Charging Current Waveform to Reduce Screening Current Induced Field in HTS NMR Magnets,” IEEE Transactions on Applied Superconductivity, vol. 36, no. 3, pp. 1-6, 2026, doi: 10.1109/tasc.2025.3610465.

[264] Geonyoung Kim, Jeonghwan Park, Junyol Sohn, Jaemin Kim, Jaeyu Lee, Garam Hahn, Taekyun Ha, Dongeon Kim, Seunghwan Shin, Seungyong Hahn, “A feasibility study on REBCO superbend magnet for Korean fourth-generation storage ring,” Superconductor Science and Technology, vol. 39, no. 5, p. 055031, 2026, doi: 10.1088/1361-6668/ae6981.

[263] Hyun Sung Noh, Younghoon Kim, Minkyu Sun, Jungmin Kim, Jongsung Lee, Kihong Kim, Vijayakumar Elayappan, Mohamed Mussa Mtangi, Wonseok Jang, Seungyong Hahn, Haigun Lee, “Turn-to-turn friction enhancement in high-temperature superconducting coils for mechanical stability under lorentz force,” Materials Research Express, vol. 12, no. 2, p. 026002, 2025, doi: 10.1088/2053-1591/adb667.

[262] Jonghoon Yoon, JuKyung Cha, Jeonghwan Park, Jaheum Koo, Seungyong Hahn, “Transient Analysis of Flux Weakening Operation for Synchronous Motor Considering NI HTS Field Coil Behaviors,” IEEE Transactions on Applied Superconductivity, vol. 35, no. 5, pp. 1-5, 2025, doi: 10.1109/tasc.2025.3537946.

[261] Jeonghwan Park, Hyunsoo Park, Wonju Jung, Jaemin Kim, Seungyong Hahn, Sangjin Lee, “Repetitive Charging-Discharging and Overcurrent Quench Characteristics of Conduction-Cooled Flexible HTS Current Lead,” IEEE Transactions on Applied Superconductivity, vol. 35, no. 5, pp. 1-5, 2025, doi: 10.1109/tasc.2025.3535466.

[260] Jiho Lee, Bonghyun Cho, Sangjun Oh, Heekyung Choi, Won Woo Park, Dohyun Baek, Ye Lim Lee, Kyunghan Jun, Seungyong Hahn, “Preliminary Test of a Layer-Wound D-Shaped Coil Using Stacked HTS Conductor for a Miniature Toroidal Field Magnet,” IEEE Transactions on Applied Superconductivity, vol. 35, no. 5, pp. 1-6, 2025, doi: 10.1109/tasc.2025.3555219.

[259] Bonghyun Cho, Sangjun Oh, Heekyung Choi, Won Woo Park, Seokho Nam, Dohyun Baek, Ye Lim Lee, Jung Tae Lee, Seungyong Hahn, Jiho Lee, “Preliminary Study on 2 × 2 Parallel REBCO Stacks for 8 kA Current Leads,” IEEE Transactions on Applied Superconductivity, vol. 35, no. 5, pp. 1-5, 2025, doi: 10.1109/tasc.2025.3539610.

[258] Wonju Jung, Kibum Choi, Hyunsoo Park, Geonyoung Kim, Jeonghwan Park, Dongwoo Lee, Jung Tae Lee, Seungyong Hahn, “Potential Joint Damage in a REBCO MRI Magnet Due to the Gradient Coil-Induced Vibration,” IEEE Transactions on Applied Superconductivity, vol. 35, no. 5, pp. 1-5, 2025, doi: 10.1109/tasc.2025.3527940.

[257] JuKyung Cha, Geonyoung Kim, Chaemin Im, Jonghoon Yoon, Jaheum Koo, Seungyong Hahn, “Post-Quench Analysis and Mechanical Considerations for No-Insulation HTS Racetrack Field Coils in a 5 MW Superconducting Motor,” IEEE Transactions on Applied Superconductivity, vol. 35, no. 5, pp. 1-5, 2025, doi: 10.1109/tasc.2025.3540783.

[256] Jeonghwan Park, Yufan Yan, Jaemin Kim, Geonyoung Kim, Jonghoon Yoon, Wonseok Jang, Seungyong Hahn, “Numerical Study on Effect of Boundary Conditions and Winding Compressibility on Screening Current Induced Stress,” IEEE Transactions on Applied Superconductivity, vol. 35, no. 5, pp. 1-5, 2025, doi: 10.1109/tasc.2025.3538680.

[255] Geonyoung Kim, Nicolo Riva, Sehyun Cho, Dongwoo Lee, Wonseok Jang, Hyunsoo Park, Chaemin Im, Jung Tae Lee, Yufan Yan, Jaemin Kim, Jeseok Bang, Wei Guo, Nicolò Foppiani, Seungyong Hahn, Sangjin Lee, “Numerical Study of Screening Current on HTS Stellarator Coil and Experimental Validation Through Screening Current Induced Voltage,” IEEE Transactions on Applied Superconductivity, vol. 35, no. 5, pp. 1-5, 2025, doi: 10.1109/tasc.2025.3535859.

[254] W Jang, L Giannini, R Bonifetto, J T Lee, K Choi, G Kim, Y Yan, M De Bastiani, A Zappatore, S Hahn, L Muzzi, V Corato, “Feasibility analysis of partially insulated Nb₃Sn EU DEMO toroidal field coil,” Superconductor Science and Technology, vol. 38, no. 3, p. 035003, 2025, doi: 10.1088/1361-6668/ad9e35.

[253] Hyunsoo Park, Geonyoung Kim, Jaemin Kim, Chaemin Im, Jeonghwan Park, Wooseung Lee, Wonseok Jang, Gaël Berthet, JuKyung Cha, Yufan Yan, Wonju Jung, Seungyong Hahn, “Experimental Study on Temperature-Controlled Charging Sequence for Reduction of Screening Current Effect in HTS Magnet,” IEEE Transactions on Applied Superconductivity, vol. 35, no. 5, pp. 1-5, 2025, doi: 10.1109/tasc.2025.3547814.

[252] Dongwoo Lee, Jaemin Kim, Wonseok Jang, Geonyoung Kim, Hyunsoo Park, Jung Tae Lee, Jeonghwan Park, Jonghoon Yoon, Chaemin Im, Wonju Jung, Gaël Berthet, Yufan Yan, Min Kyu Sun, Haigun Lee, Seungyong Hahn, Sangjin Lee, “Experimental Study on Shrink-Fitted REBCO Pancake Coils,” IEEE Transactions on Applied Superconductivity, vol. 35, no. 5, pp. 1-5, 2025, doi: 10.1109/tasc.2025.3526106.

[251] Geonyoung Kim, Hyunsoo Park, Wonseok Jang, Jonghoon Yoon, Jeonghwan Park, Chaemin Im, Jaemin Kim, Seungyong Hahn, “Experimental Study on No-Insulation HTS Coil With Solder-Free Lap Joint Inserted,” IEEE Transactions on Applied Superconductivity, vol. 35, no. 5, pp. 1-5, 2025, doi: 10.1109/tasc.2025.3540812.

[250] Jung Tae Lee, Jaemin Kim, Hyunsoo Park, Jonghoon Yoon, JuKyung Cha, Jaheum Koo, Wonju Jung, Geonyoung Kim, Chaemin Im, Yufan Yan, Sangjun Oh, Seungyong Hahn, “Experimental and Numerical Analysis on Non-Uniform Current Distribution in Two-Tape Co-Wound HTS Coil,” IEEE Transactions on Applied Superconductivity, vol. 35, no. 5, pp. 1-5, 2025, doi: 10.1109/tasc.2025.3532929.

[249] Jaeyeon Park, Jisun Ham, Junyeol Maeng, Chaemin Im, Dongsu Seo, Seungyong Hahn, Shenghui Cui, “Equivalent Circuit Extraction of MI-HTS Coil Including High-Frequency Region for Electromagnetic Transient Simulation With Voltage-Source Converter,” IEEE Transactions on Applied Superconductivity, vol. 35, no. 7, pp. 1-11, 2025, doi: 10.1109/tasc.2025.3587992.

[248] Uijong Bong, Jonghoon Yoon, JuKyung Cha, Jaemin Kim, Seungyong Hahn, “Effect of contact resistivity difference on steady-state characteristics of multi-pole no-insulation HTS field coils in synchronous motors,” Superconductor Science and Technology, vol. 38, no. 4, p. 045022, 2025, doi: 10.1088/1361-6668/adc632.

[247] Wonseok Jang, Jaemin Kim, Geonyoung Kim, Chaemin Im, Seyong Choi, Jung Ho Kim, Jun Hyuk Choi, Dong Gun Lee, Seungyong Hahn, Sangjin Lee, “Design, Construction, and Operational Testing of Dry-Wound Conduction-Cooled React-and-Wind MgB$_{2}$ Magnet,” IEEE Transactions on Applied Superconductivity, vol. 35, no. 5, pp. 1-5, 2025, doi: 10.1109/tasc.2025.3560228.

[246] Jaheum Koo, JuKyung Cha, Jonghoon Yoon, Wonseok Jang, Dongwoo Lee, In Gyeong Park, Sang Heon Lee, Seungyong Hahn, Sangjin Lee, “Design Study of Fully Superconducting Motor With MgB$_{2}$ Wire and YBCO Bulk Combination for Brushless Operation,” IEEE Transactions on Applied Superconductivity, vol. 35, no. 5, pp. 1-5, 2025, doi: 10.1109/tasc.2025.3542340.

[245] Rae-Eun Kim, Seok-Won Jung, Jeung Hoon Lee, Hyun-Gi Kim, Jung-Moo Seo, Seungyong Hahn, “Design Process of Propulsion Motor for Electric Aircraft Considering Flight Profile,” IEEE Transactions on Transportation Electrification, vol. 11, no. 5, pp. 12149-12158, 2025, doi: 10.1109/tte.2025.3586767.

[244] Gaël Berthet, Wonju Jung, Hyunsoo Park, Seungyong Hahn, Sangjin Lee, “Comparison of the Electrical Properties of Copper Diffusion-Bonded Joints and Solder Joints for $\mathrm{(RE)Ba}_{2}\text{Cu}_{3}\mathrm{O}_{7-\delta }$ Tapes,” IEEE Transactions on Applied Superconductivity, vol. 35, no. 5, pp. 1-5, 2025, doi: 10.1109/tasc.2025.3530325.

[243] Seong Hyeon Park, Gahyun Choi, Bokyung Kim, Gyunghun Kim, Yong-Ho Lee, Seungyong Hahn, “Comparative Study of Numerical Modeling Methods for a Flux-Pumped Josephson Parametric Amplifier,” IEEE Transactions on Applied Superconductivity, vol. 35, no. 5, pp. 1-6, 2025, doi: 10.1109/tasc.2025.3546921.

[242] Jeongwoo Seo, Jiyoung Yoon, Seungyong Hahn, Jonghoon Yoon, Wonseok Jang, Seokho Kim, Kihwan Kim, Kideok Sim, Jongho Choi, Jingeun Kim, Byung Ho Min, Young Jin Hwang, “Application of Electrically-Conductive Epoxy in No-Insulation Coils for Controlling Contact Resistance,” IEEE Transactions on Applied Superconductivity, vol. 35, no. 5, pp. 1-6, 2025, doi: 10.1109/tasc.2025.3538517.

[241] Hyunchang Jin, Jinjoo Ko, Ki-Moon Nam, Seunghwan Shin, Jaeyu Lee, Jaehyun Kim, Gyeongsu Jang, Geonyoung Kim, Jeonghwan Park, Seungyong Hahn, “A study on beam optics and photon beam characteristics with a superbend in the Korea-4GSR,” Journal of the Korean Physical Society, vol. 87, no. 9, pp. 1108-1116, 2025, doi: 10.1007/s40042-025-01332-7.

[240] Tuan-Anh Le, Minh Phu Bui, Yaser Hadadian, Khaled Mohamed Gadelmowla, Seungjun Oh, Chaemin Im, Seungyong Hahn, Jungwon Yoon, “Toward Human-Scale Magnetic Particle Imaging: Development of the First System With Superconductor- Based Selection Coils,” IEEE Transactions on Medical Imaging, vol. 43, no. 12, pp. 4266-4280, 2024, doi: 10.1109/tmi.2024.3419427.

[239] Andrea Musso, Jeseok Bang, Nicolò Riva, Yufan Yan, Jung Tae Lee, Seungyong Hahn, “The Roles of Contact Resistivity and Tape Architecture on Transverse Resistance of an NI HTS Coil,” IEEE Transactions on Applied Superconductivity, vol. 34, no. 5, pp. 1-5, 2024, doi: 10.1109/tasc.2023.3342110.

[238] Jeseok Bang, Kwangmin Kim, Griffin Bradford, Jonathan Lee, Dmytro Abraimov, Mato Takanobu, So Noguchi, Seungyong Hahn, David Larbalestier, “The Effect of Field-Dependent $n$-Value on Screening Current, Voltage, and Magnetic Field of REBCO Coil,” IEEE Transactions on Applied Superconductivity, vol. 34, no. 5, pp. 1-5, 2024, doi: 10.1109/tasc.2024.3357472.

[237] Seong Hyeon Park, Bumsung Lee, Kyungsik Seo, Seungyong Hahn, “Sensitivity Analysis of Manufacturing Uncertainty Errors in Superconducting Quantum Circuits,” IEEE Transactions on Applied Superconductivity, vol. 34, no. 3, pp. 1-5, 2024, doi: 10.1109/tasc.2024.3350595.

[236] Yufan Yan, Donghui Jiang, Peng Song, Jeonghwan Park, Seungyong Hahn, Yunfei Tan, Timing Qu, “Screening-current-induced magnetic fields and strains in a compact REBCO coil in self field and background field,” Superconductivity, vol. 9, p. 100082, 2024, doi: 10.1016/j.supcon.2023.100082.

[235] Jung Tae Lee, Kibum Choi, Geonyoung Kim, Jaemin Kim, Chaemin Im, Uijong Bong, Jeseok Bang, Seungyong Hahn, “Quench Test and Analysis on D-Shaped No-Insulation High Temperature Superconductor Single Pancake Coil,” IEEE Transactions on Applied Superconductivity, vol. 34, no. 5, pp. 1-5, 2024, doi: 10.1109/tasc.2024.3365450.

[234] Seok-Won Jung, Jonghoon Yoon, Hyung-Woo Kim, Seungyong Hahn, Sang-Yong Jung, “Optimal Design Study of Metal-as-Insulation HTS Synchronous Motor With Multiple Operating Points for EVs Based on Many-Objective Optimization,” IEEE Transactions on Applied Superconductivity, vol. 34, no. 5, pp. 1-5, 2024, doi: 10.1109/tasc.2024.3381104.

[233] Chaemin Im, Jisun Ham, Junyeol Maeng, Geonyoung Kim, Seong Hyeon Park, Jaemin Kim, Jaekeun Lee, Gayoung Park, Jung Tae Lee, Kibum Choi, Uijong Bong, Shenghui Cui, Seungyong Hahn, Sangjin Lee, “Nonlinear Characteristics of Metal-Insulated REBCO Magnet Under Various Switching Frequencies of Half-Bridge Inverter Circuit,” IEEE Transactions on Applied Superconductivity, vol. 34, no. 5, pp. 1-6, 2024, doi: 10.1109/tasc.2024.3370092.

[232] JuKyung Cha, Jonghoon Yoon, Jaheum Koo, Bong Uijong, Kideok Sim, Seungyong Hahn, “Loss Reduction and Operating Time Extension Using Segmented HTS Field Coil Bobbin for High-Speed Operation of EV Traction Motor,” IEEE Transactions on Applied Superconductivity, vol. 34, no. 5, pp. 1-5, 2024, doi: 10.1109/tasc.2024.3359593.

[231] Jeseok Bang, Jaemin Kim, Jae Young Jang, Minchul Ahn, Young Jin Hwang, Kwangmin Kim, Youngil Kim, Myunghwan Ku, Hunju Lee, Sehwan In, Yong-Ju Hong, Hankil Yeom, Jung Tae Lee, Hongmin Yang, Seungyong Hahn, SangGap Lee, “Harmonic errors of a 9.4 T all-REBCO NMR magnet affected by screening current and geometric inconsistency of coated conductors,” Scientific Reports, vol. 14, no. 1, 2024, doi: 10.1038/s41598-024-68607-0.

[230] Jae Young Jang, Young Jin Hwang, Hongmin Yang, Jaemin Kim, Seungyong Hahn, Hankil Yeom, Minchul Ahn, SangGap Lee, “Genetic-Algorithm-Based Room-Temperature Shimming and Long-Term Operational Protocol for a KBSI 400 MHz all-HTS NMR Magnet,” IEEE Transactions on Applied Superconductivity, vol. 34, no. 5, pp. 1-5, 2024, doi: 10.1109/tasc.2024.3350003.

[229] Wooseung Lee, Hongmin Yang, Dongkeun Park, Young Jin Hwang, Chaemin Im, Jaemin Kim, Seungyong Hahn, SangGap Lee, “Exploring the Effects of Partial Electrical Connectors on HTS Coils: A Case Study of Insulated Coil and Paraffin-Impregnated NI Coil,” IEEE Transactions on Applied Superconductivity, vol. 34, no. 5, pp. 1-5, 2024, doi: 10.1109/tasc.2023.3347381.

[228] Young Jin Hwang, Jae Young Jang, Seungyong Hahn, Jaemin Kim, Hankil Yeom, Minchul Ahn, Wooseung Lee, Hongmin Yang, SangGap Lee, “Experimental Study on a Current Sweep Method Combined With Thermal Cycle for Mitigation of Screening Current-Induced Field in a Conduction-Cooled REBCO Magnet,” IEEE Transactions on Applied Superconductivity, vol. 34, no. 5, pp. 1-5, 2024, doi: 10.1109/tasc.2024.3364136.

[227] Geonyoung Kim, Wonju Jung, Jaheum Koo, Jeonghwan Park, Hyunsoo Park, JuKyung Cha, Jung Tae Lee, Wonseok Jang, Seong Hyeon Park, Yufan Yan, Jaemin Kim, Jeseok Bang, Garam Hahn, Seyong Choi, Hyoungku Kang, Seungyong Hahn, Sangjin Lee, “Experimental Study for Modified Lumped-Circuit Model to Analyze Saddle-Shaped No-Insulation HTS Coil Operated in Overcurrent Situation,” IEEE Transactions on Applied Superconductivity, vol. 34, no. 5, pp. 1-5, 2024, doi: 10.1109/tasc.2023.3345295.

[226] Jeseok Bang, Jonathan Lee, Griffin Bradford, Kwangmin Kim, Xinbo Hu, Dmytro Abraimov, Jan Jaroszynski, Anatolii Polyanskii, So Noguchi, Seungyong Hahn, David C. Larbalestier, “Evidence that transverse variability of critical current density can greatly mitigate screening current stress in high field REBCO magnets,” Scientific Reports, vol. 14, no. 1, 2024, doi: 10.1038/s41598-024-81902-0.

[225] Yufan Yan, Jeonghwan Park, Jaemin Kim, Uijong Bong, Geonyoung Kim, Wonseok Jang, Seungyong Hahn, “Electromagnetic-Mechanical Simulation of High-Field Test Coils and Conductor Degradation,” IEEE Transactions on Applied Superconductivity, vol. 34, no. 5, pp. 1-5, 2024, doi: 10.1109/tasc.2024.3358255.

[224] Kyungsik Seo, Seong Hyeon Park, Seungyong Hahn, “Electromagnetic Design of SRF Cavities Using Continuum Sensitivity Analysis,” IEEE Transactions on Applied Superconductivity, vol. 34, no. 3, pp. 1-6, 2024, doi: 10.1109/tasc.2024.3364130.

[223] Junyoung Park, Woocheol Shin, Minkyung Jeong, Bonhyuk Ku, Hobin Lee, Jeonghwan Park, Garam Hahn, Seyong Choi, Seungyong Hahn, Hyoungku Kang, “Electrical Breakdown Characteristics in High-Vacuum Conditions for the Design of Superconducting Coils,” IEEE Transactions on Applied Superconductivity, vol. 34, no. 5, pp. 1-7, 2024, doi: 10.1109/tasc.2024.3365094.

[222] Yufan Yan, Jeonghwan Park, Geonyoung Kim, Jaemin Kim, Fedor Gömöry, Seungyong Hahn, “Effects of lateral critical current nonuniformity on stresses in dry-wound high-field REBCO coils,” Superconductor Science and Technology, vol. 37, no. 12, p. 125015, 2024, doi: 10.1088/1361-6668/ad8782.

[221] Geonyoung Kim, Hyunsoo Park, Chaemin Im, Jeonghwan Park, Jaheum Koo, Wonju Jung, Jung Tae Lee, Wonseok Jang, JuKyung Cha, Yufan Yan, Jaemin Kim, Jeseok Bang, Garam Hahn, Seyong Choi, Hyoungku Kang, Seungyong Hahn, “Distributed-Circuit Method for Replication of Fast-Ramping of Saddle-Shaped REBCO Dipole Magnet Wound With Two-Tape Bundled Conductor,” IEEE Transactions on Applied Superconductivity, vol. 34, no. 5, pp. 1-5, 2024, doi: 10.1109/tasc.2023.3345298.

[220] Jeonghwan Park, Jaemin Kim, Yufan Yan, Seungyong Hahn, “Diameter Change of Dry Wound REBCO Solenoid Pancake Coil by Winding Tension,” IEEE Transactions on Applied Superconductivity, vol. 34, no. 5, pp. 1-5, 2024, doi: 10.1109/tasc.2024.3362772.

[219] Seongjin Yang, Woojin Song, Jeonghwan Park, Geonyoung Kim, Jung Yun Huang, Seungyong Hahn, Seyong Choi, Hyoungku Kang, Garam Hahn, “Development of a 5-Axis Winding Method for Saddle-Shaped Coils Using Coated REBCO High Temperature Superconductors,” IEEE Transactions on Applied Superconductivity, vol. 34, no. 5, pp. 1-4, 2024, doi: 10.1109/tasc.2023.3346854.

[218] Kyoungmo Koo, Chaemin Im, Geonyoung Kim, Jaemin Kim, Seungyong Hahn, Sangjin Lee, “Design, Construction, and Operation of Liquid Nitrogen Cooled MHD Miniature Ship With No-Insulation High-Temperature Superconductor Magnet,” IEEE Transactions on Transportation Electrification, vol. 10, no. 4, pp. 7774-7784, 2024, doi: 10.1109/tte.2024.3401475.

[217] Hyunsoo Park, Geonyoung Kim, Kibum Choi, Jeonghwan Park, Jaemin Kim, Seyong Choi, Kideok Sim, Seungyong Hahn, “Design and Performance Analysis of Gradient Coil for High-Field HTS REBCO MRI Magnet,” IEEE Transactions on Applied Superconductivity, vol. 34, no. 5, pp. 1-5, 2024, doi: 10.1109/tasc.2024.3365084.

[216] Seungcheol Ryu, Changhyung Lee, Youngjun Choi, Kideok Sim, Seungyong Hahn, Seokho Kim, “Deformation Behavior of Stacked REBCO Tapes Under Compressive Loads,” IEEE Transactions on Applied Superconductivity, vol. 34, no. 5, pp. 1-5, 2024, doi: 10.1109/tasc.2024.3364131.

[215] Sihyun Park, Seungyong Hahn, Uijong Bong, Jonghoon Yoon, Seokho Kim, Jaehwan Lee, Kideok Sim, Byung Ho Min, Jiho Lee, Hongmin Yang, Wooseung Lee, Young Jin Hwang, “Contact Resistance and Over-Current Characteristics of No-Insulation High-Temperature Superconducting Coils Impregnated With an Electrically-Conductive Epoxy,” IEEE Transactions on Applied Superconductivity, vol. 34, no. 5, pp. 1-5, 2024, doi: 10.1109/tasc.2024.3362316.

[214] Wonseok Jang, Jaemin Kim, Geonyoung Kim, Hyunsoo Park, Seyong Choi, Jung Ho Kim, Jun Hyuk Choi, Dong Gun Lee, Seungyong Hahn, Sangjin Lee, “Conceptual Design of 1-T/360-mm Dry Wound Conduction Cooled MgB$_{2}$ Magnet for Long Term Operation,” IEEE Transactions on Applied Superconductivity, vol. 34, no. 5, pp. 1-5, 2024, doi: 10.1109/tasc.2024.3376488.

[213] Seong Hyeon Park, Gahyun Choi, Gyunghun Kim, Jaehyeong Jo, Bumsung Lee, Geonyoung Kim, Kibog Park, Yong-Ho Lee, Seungyong Hahn, “Characterization of broadband Purcell filters with compact footprint for fast multiplexed superconducting qubit readout,” Applied Physics Letters, vol. 124, no. 4, 2024, doi: 10.1063/5.0182642.

[212] Jeseok Bang, Jaemin Kim, Jae Young Jang, Minchul Ahn, Young Jin Hwang, Kwangmin Kim, Youngil Kim, Myunghwan Ku, Hunju Lee, Sehwan In, Yong-Ju Hong, Hankil Yeom, Jung Tae Lee, Hongmin Yang, Seungyong Hahn, SangGap Lee, “Author Correction: Harmonic errors of a 9.4 T all-REBCO NMR magnet affected by screening current and geometric inconsistency of coated conductors,” Scientific Reports, vol. 14, no. 1, 2024, doi: 10.1038/s41598-024-75403-3.

[211] Jonghoon Yoon, Uijong Bong, Jung Tae Lee, JuKyung Cha, Jaheum Koo, Seok-Won Jung, Seungyong Hahn, “AC Loss Characteristics of HTS Field Winding for Synchronous Motor According to Stator Configuration,” IEEE Transactions on Applied Superconductivity, vol. 34, no. 5, pp. 1-5, 2024, doi: 10.1109/tasc.2024.3378210.

[210] Jaemyung Cha, Jonghoon Yoon, JuKyung Cha, Uijong Bong, Seungyong Hahn, “A design study on MVAr class superconductor synchronous condenser with no-insulation HTS field coil,” Physica C: Superconductivity and its Applications, vol. 619, p. 1354458, 2024, doi: 10.1016/j.physc.2024.1354458.

[209] Woogyong Yim, Jonghoon Yoon, JuKyung Cha, Uijong Bong, Seungyong Hahn, “A design study on 20 kW class axial flux motor with HTS field winding for 100 MPa liquid hydrogen pump,” Cryogenics, vol. 139, p. 103829, 2024, doi: 10.1016/j.cryogenics.2024.103829.

[208] Woojin Song, Jeonghwan Park, Geonyoung Kim, Hyunsoo Park, Sehyun Kim, Taekyun Ha, Seungyong Hahn, Seyong Choi, Hyoungku Kang, Gunsu Yun, Garam Hahn, “A Case Study of Advanced Ramp-Up Profile for HTS Magnet-Based Carbon Therapy Synchrotron,” IEEE Transactions on Applied Superconductivity, vol. 34, no. 5, pp. 1-4, 2024, doi: 10.1109/tasc.2024.3354690.

[207] Jongho Choi, Quanyue Liu, Changhyung Lee, Jeongmin Mun, Jonghoon Yoon, Geonyoung Kim, Uijong Bong, Jingeun Kim, Seungyong Hahn, Kideok Sim, Seokho Kim, “Thermal Analysis of Leakage Currents of No-Insulation HTS Racetrack Coils Using a Three-Dimensional Turn-Distributed Equivalent Circuit FEA Model,” IEEE Transactions on Applied Superconductivity, vol. 33, no. 5, pp. 1-6, 2023, doi: 10.1109/tasc.2023.3248545.

[206] Sungjun Eun, Seong Hyeon Park, Kyungsik Seo, Kibum Choi, Seungyong Hahn, “Shape optimization of superconducting transmon qubits for low surface dielectric loss,” Journal of Physics D: Applied Physics, vol. 56, no. 50, p. 505306, 2023, doi: 10.1088/1361-6463/acf7cf.

[205] S. Oh, H. W. Kim, S. Nam, Y. Chu, D. K. Oh, H. Choi, J. T. Lee, W. Kim, Y. S. Jeong, H. Chang, J. Lee, S. Hahn, “Preliminary Design Study on Non-Twisted HTS Conductor for Fusion Applications,” IEEE Transactions on Applied Superconductivity, vol. 33, no. 5, pp. 1-5, 2023, doi: 10.1109/tasc.2023.3262490.

[204] Minoru Maeda, Akiyoshi Matsumoto, Gen Nishijima, Yoon-Uk Heo, Seungyong Hahn, Sangjin Lee, Seyong Choi, Jung Ho Kim, “Performance of MgB₂ superconducting wire fabricated with non-identical Mg particles,” Journal of Alloys and Compounds, vol. 954, p. 170148, 2023, doi: 10.1016/j.jallcom.2023.170148.

[203] Yufan Yan, Jaemin Kim, Uijong Bong, Wonseok Jang, Geonyoung Kim, Jeonghwan Park, Seungyong Hahn, “Measurement and analysis of winding stresses in dry-wound pancake coils considering nonlinear compressive behaviors,” Superconductor Science and Technology, vol. 36, no. 11, p. 115019, 2023, doi: 10.1088/1361-6668/acf4c4.

[202] Jonghoon Yoon, Uijong Bong, JuKyung Cha, Jeonghwan Park, Seungyong Hahn, “Maximum Torque Per Ampere Control Scheme Considering NI HTS Field Coil Behavior for Synchronous Motor With Salient Rotor Core,” IEEE Transactions on Applied Superconductivity, vol. 33, no. 5, pp. 1-5, 2023, doi: 10.1109/tasc.2023.3263803.

[201] Sébastien Brialmont, Julien Dular, Laurent Wéra, Jean-François Fagnard, Benoît Vanderheyden, Christophe Geuzaine, Seungyong Hahn, Anup Patel, Philippe Vanderbemden, “Magnetic shielding up to 0.67 T at 77 K using a stack of high temperature superconducting tape annuli of 26 mm bore,” Superconductor Science and Technology, vol. 36, no. 5, p. 054004, 2023, doi: 10.1088/1361-6668/acc981.

[200] Geonyoung Kim, Jeonghwan Park, Jeseok Bang, Garam Hahn, Seong Hyeon Park, Chaemin Im, Hyunsoo Park, Jaemin Kim, Seyong Choi, Hyoungku Kang, Seungyong Hahn, Sangjin Lee, “Investigation on nonuniform current density and shape deformation affecting the magnetic field performance of a saddle-shaped no-insulation HTS cosine-theta dipole magnet,” Superconductor Science and Technology, vol. 36, no. 8, p. 084002, 2023, doi: 10.1088/1361-6668/acdf8d.

[199] So Noguchi, Takanobu Mato, Seungyong Hahn, “Inductive Voltage of Insert HTS Coils Due to Coil Deformation for Ultra-High Magnetic Field Generation,” IEEE Transactions on Applied Superconductivity, vol. 33, no. 5, pp. 1-5, 2023, doi: 10.1109/tasc.2023.3271948.

[198] Kyungsik Seo, Seungyong Hahn, Il Han Park, “Hole and dot sensitivity analysis and level set-based topology optimization of superconducting systems operating under critical current density,” Structural and Multidisciplinary Optimization, vol. 66, no. 5, 2023, doi: 10.1007/s00158-023-03566-0.

[197] Jae Young Jang, Young Jin Hwang, Jaemin Kim, Seunghyun Song, Geonyoung Kim, Kibum Choi, Seungyong Hahn, Minchul Ahn, SangGap Lee, “Experimental Study of a Room-Temperature Shimming Technology Employing Genetic Algorithm for NMR/MRI Superconducting Magnets,” IEEE Transactions on Applied Superconductivity, vol. 33, no. 5, pp. 1-5, 2023, doi: 10.1109/tasc.2023.3262210.

[196] Jung Tae Lee, Geonyoung Kim, Jaemin Kim, Jeseok Bang, Chaemin Im, Wonseok Jang, Kibum Choi, Miyeon Yoon, Woo-Seok Kim, Seungyong Hahn, “Experimental and Equivalent Circuit Analysis Approach to Estimate Contact Resistances on Different Sections in a D-Shaped NI HTS Coil,” IEEE Transactions on Applied Superconductivity, vol. 33, no. 5, pp. 1-5, 2023, doi: 10.1109/tasc.2023.3262217.

[195] Jeseok Bang, Andrea Musso, Nicolò Riva, Jung Tae Lee, Geonyoung Kim, Wonseok Jang, Seungyong Hahn, “Experiment and Analysis on Temperature-Dependent Electric Contact Resistivity of an NI HTS Coil,” IEEE Transactions on Applied Superconductivity, vol. 33, no. 5, pp. 1-5, 2023, doi: 10.1109/tasc.2023.3263805.

[194] Jeonghwan Park, Geonyoung Kim, Garam Hahn, Dongeon Kim, Taekyun Ha, Jeseok Bang, Jaemin Kim, Seunghwan Shin, Seungyong Hahn, “Estimation of Screening Current Induced Field on Short Period Planar HTS Undulator,” IEEE Transactions on Applied Superconductivity, vol. 33, no. 5, pp. 1-5, 2023, doi: 10.1109/tasc.2023.3262616.

[193] So Noguchi, Takanobu Mato, Kwangmin Kim, Seungyong Hahn, “Electromagnetic Behavior Simulation of REBCO Pancake Coils Considering REBCO Tape Rotation Under High Magnetic Field,” IEEE Transactions on Applied Superconductivity, vol. 33, no. 5, pp. 1-5, 2023, doi: 10.1109/tasc.2023.3258372.

[192] Minoru Maeda, Jun Hyuk Choi, Jonathan C. Knott, Jung Ho Kim, Garam Hahn, Hyoungku Kang, Seungyong Hahn, Seyong Choi, “Disorder anisotropy of layered structure in multi-band MgB₂ superconducting materials with high critical current performance,” Journal of Alloys and Compounds, vol. 934, p. 167873, 2023, doi: 10.1016/j.jallcom.2022.167873.

[191] Kyungsik Seo, Jonghoon Yoon, JuKyung Cha, Il Han Park, Seungyong Hahn, “Design Optimization of HTS Field Coils for High Power Density Motors Based on Continuum Sensitivity Analysis,” IEEE Transactions on Applied Superconductivity, vol. 33, no. 5, pp. 1-5, 2023, doi: 10.1109/tasc.2023.3268146.

[190] Seong Hyeon Park, Dowon Baek, Insung Park, Seungyong Hahn, “Design of Scalable Superconducting Quantum Circuits Using Flip-Chip Assembly,” IEEE Transactions on Applied Superconductivity, vol. 33, no. 5, pp. 1-6, 2023, doi: 10.1109/tasc.2023.3244142.

[189] Bimaridi Afif, Seunghee Oh, Minkyung Jeong, Jinhyung Park, Woocheol Shin, Uhyeon Jo, Ragil Handito, Jeonghwan Park, Geonyoung Kim, Garam Hahn, Seyong Choi, Seungyong Hahn, Hyoungku Kang, “Degradation Characteristics of REBCO Tapes According to Electrical Breakdown,” IEEE Transactions on Applied Superconductivity, vol. 33, no. 5, pp. 1-5, 2023, doi: 10.1109/tasc.2023.3263138.

[188] Hyunsoo Park, Jeonghwan Park, Geonyoung Kim, Kibum Choi, Jeseok Bang, Seungyong Hahn, “Computing the Non-Uniform Current Effects on the Magnetic Field in Sector Coil Dipoles,” IEEE Transactions on Applied Superconductivity, vol. 33, no. 5, pp. 1-5, 2023, doi: 10.1109/tasc.2023.3260782.

[187] Uijong Bong, Jonghoon Yoon, JuKyung Cha, Jaemin Kim, Rae-Eun Kim, Jin-Geun Kim, Seungyong Hahn, “Compensation of NI Behaviors in Synchronous Motors With NI HTS Field Winding Using Harmonic Current Injection,” IEEE Transactions on Applied Superconductivity, vol. 33, no. 5, pp. 1-5, 2023, doi: 10.1109/tasc.2023.3262213.

[186] Geonyoung Kim, Uijong Bong, Chaemin Im, Jonghoon Yoon, Hyunsoo Park, Jeseok Bang, Changhyung Lee, Jaemin Kim, Seungyong Hahn, “Analysis of Nonuniform Contact Resistivity Distribution on No-Insulation HTS Racetrack Coil,” IEEE Transactions on Applied Superconductivity, vol. 33, no. 5, pp. 1-5, 2023, doi: 10.1109/tasc.2023.3248542.

[185] Wonseok Jang, Jeseok Bang, Jaemin Kim, Geonyoung Kim, Jung Tae Lee, Hyun Sung Noh, Min Kyu Sun, Haigun Lee, Seungyong Hahn, Sangjin Lee, “An Experimental Study on Manipulation of Individual Coil Current in Parallel-Connected HTS Pancake Coils,” IEEE Transactions on Applied Superconductivity, vol. 33, no. 5, pp. 1-5, 2023, doi: 10.1109/tasc.2023.3258373.

[184] Jeseok Bang, Jeonghwan Park, Kibum Choi, Geonyoung Kim, Seungyong Hahn, “A numerical method to calculate screening current-dependent self and mutual inductances of REBCO coils,” Superconductor Science and Technology, vol. 36, no. 8, p. 085003, 2023, doi: 10.1088/1361-6668/acdb9e.

[183] JuKyung Cha, Jonghoon Yoon, Uijong Bong, Seungyong Hahn, “A Design Study on HTS Halbach Array for Field Coil of 40 MW Ship Propulsion Motor,” IEEE Transactions on Applied Superconductivity, vol. 33, no. 5, pp. 1-5, 2023, doi: 10.1109/tasc.2023.3245057.

[182] Jung Tae Lee, Jeseok Bang, Geonyoung Kim, Jaemin Kim, Jeonghwan Park, Chaemin Im, Wonseok Jang, Hyun Wook Kim, Yunyeol Ryu, Haigun Lee, Sangjun Oh, Seungyong Hahn, “Test and Analysis of Laboratory-Scale D-Shaped Co-Wound No-Insulation HTS Single Pancake Coil for TF Coil Application,” IEEE Transactions on Applied Superconductivity, vol. 32, no. 6, pp. 1-5, 2022, doi: 10.1109/tasc.2022.3160969.

[181] Jeonghwan Park, Jaemin Kim, Garam Hahn, Dongeon Kim, Taekyun Ha, Jeseok Bang, Seungyong Hahn, Seunghwan Shin, “Parametric Optimization of Undulator Field for Short Period NI HTS Planar Undulator,” IEEE Transactions on Applied Superconductivity, vol. 32, no. 6, pp. 1-5, 2022, doi: 10.1109/tasc.2022.3156974.

[180] Sebastien Brialmont, Jean-Francois Fagnard, Benoit Vanderheyden, Frederic Mazaleyrat, Seungyong Hahn, Anup Patel, Philippe Vanderbemden, “Measurement of Magnetic Hysteresis Loops of the Ni-5at.%W Alloy Substrate as a Function of Temperature in a Stack of 2G HTS-Coated Conductor Annuli,” IEEE Transactions on Applied Superconductivity, vol. 32, no. 8, pp. 1-10, 2022, doi: 10.1109/tasc.2022.3199928.

[179] Jonghoon Yoon, Uijong Bong, Jung Tae Lee, Seokwon Jung, Seungyoung Hahn, “Investigation on Time-Varying Behavior of NI HTS Field Coil for Synchronous Motors Considering Armature Reaction and Slotting Effect,” IEEE Transactions on Applied Superconductivity, vol. 32, no. 6, pp. 1-5, 2022, doi: 10.1109/tasc.2022.3160685.

[178] Minoru Maeda, Yoon-Uk Heo, Jun Hyuk Choi, Dipak Patel, Su-Hun Kim, Seungyong Hahn, Jung Ho Kim, Seyong Choi, “Interfacial reaction and side effect of MgB₂ superconducting material through low-rotation mechanical milling,” Ceramics International, vol. 48, no. 5, pp. 6539-6548, 2022, doi: 10.1016/j.ceramint.2021.11.201.

[177] Geonyoung Kim, Jeseok Bang, Chaemin Im, Kibum Choi, Uijong Bong, Jung Tae Lee, Seungyong Hahn, “Fast Current Distribution Simulation Method for No-Insulation HTS Coil With Defects,” IEEE Transactions on Applied Superconductivity, vol. 32, no. 6, pp. 1-5, 2022, doi: 10.1109/tasc.2022.3163689.

[176] Geonyoung Kim, Seong Hyeon Park, Jeseok Bang, Chaemin Im, Jaemin Kim, Jonghoon Yoon, Ki Jin Han, So Noguchi, Seungyong Hahn, “Experimental Study and Frequency Domain Analysis on Metal-Insulation HTS Coil,” IEEE Transactions on Applied Superconductivity, vol. 32, no. 4, pp. 1-5, 2022, doi: 10.1109/tasc.2022.3141966.

[175] Uijong Bong, Kibum Choi, Jaemin Kim, Jeseok Bang, Jung Tae Lee, Chaemin Im, Jeonghwan Park, Jonghoon Yoon, Geonyoung Kim, Hwanmo Ku, Wonkook Kang, Seungyong Hahn, “Design, construction, and operation of a 2 T 240 mm conduction-cooled defect-irrelevant winding (RE) Ba2Cu3O7-x magnet,” Review of Scientific Instruments, vol. 93, no. 7, 2022, doi: 10.1063/5.0086583.

[174] Seok-Won Jung, Jonghoon Yoon, Kibum Choi, Jeseok Bang, Uijong Bong, Seungyong Hahn, “Comparative Design Study of HTS Synchronous Motor With Inner and Outer Rotor Type Based on Multi-Objective Optimization,” IEEE Transactions on Applied Superconductivity, vol. 32, no. 6, pp. 1-5, 2022, doi: 10.1109/tasc.2022.3168619.

[173] Andrea Musso, Jeseok Bang, Uijong Bong, Marco Breschi, Chaemin Im, Geonyoung Kim, Jaemin Kim, Jeong Hwan Park, Seungyong Hahn, “Analysis of a No-Insulation HTS Pancake Coil Including Multiple Resistive Joints,” IEEE Transactions on Applied Superconductivity, vol. 32, no. 6, pp. 1-5, 2022, doi: 10.1109/tasc.2022.3172927.

[172] Jeseok Bang, Jeonghwan Park, Seong Hyeon Park, Jung Tae Lee, Chaemin Im, Geonyoung Kim, Seungyong Hahn, “An HTS Magnet With Individually Controllable Coil Currents Energized by a Single Power Source,” IEEE Transactions on Applied Superconductivity, vol. 32, no. 4, pp. 1-5, 2022, doi: 10.1109/tasc.2022.3163683.

[171] Jaehwan Lee, Jeongmin Mun, Junil Kim, Kideok Sim, Seungyong Hahn, Seokho Kim, “A Study on the Electrical Contact Resistance and Thermal Conductivity of Soldered-Metal Insulation Coil With Conduction Cooling,” IEEE Transactions on Applied Superconductivity, vol. 32, no. 6, pp. 1-5, 2022, doi: 10.1109/tasc.2022.3172918.

[170] Jeseok Bang, Seong Hyeon Park, Jeonghwan Park, Geonyoung Kim, Jung Tae Lee, Kwangmin Kim, Seungyong Hahn, David C. Larbalestier, “A Real-Time Monitoring System for Investigating Electromagnetic Behaviors of an HTS Coil,” IEEE Transactions on Applied Superconductivity, vol. 32, no. 6, pp. 1-5, 2022, doi: 10.1109/tasc.2022.3169996.

[169] So Noguchi, Seungyong Hahn, “A newly developed screening current simulation method for REBCO pancake coils based on extension of PEEC model,” Superconductor Science and Technology, vol. 35, no. 4, p. 044005, 2022, doi: 10.1088/1361-6668/ac5315.

[168] Jeseok Bang, Jaemin Kim, Jung Tae Lee, Geonyoung Kim, Jeonghwan Park, Seong Hyeon Park, So Noguchi, Seungyong Hahn, “A customized electric heater to mitigate screening current by optimal control on temperature distribution in a high-temperature superconductor coil,” Journal of Applied Physics, vol. 132, no. 18, 2022, doi: 10.1063/5.0111956.

[167] Uijong Bong, Jaemin Kim, Jeseok Bang, Jeonghwan Park, Ki Jin Han, Seungyong Hahn, “‘Defect-irrelevant-winding’ no-insulation (RE)Ba ₂ Cu ₃ O _{7 - x} pancake coil in conduction-cooling operation,” Superconductor Science and Technology, vol. 34, no. 8, p. 085003, 2021, doi: 10.1088/1361-6668/ac0759.

[166] Kibum Choi, Uijong Bong, Jaemin Kim, Jeonghwan Park, Jung Tae Lee, Jeseok Bang, Geonyoung Kim, Seok-Won Jung, Seungyong Hahn, “Upper Limit Estimation of Resistive Heating Made by No-Insulation HTS Magnet Having Defects,” IEEE Transactions on Applied Superconductivity, vol. 31, no. 5, pp. 1-5, 2021, doi: 10.1109/tasc.2021.3070060.

[165] Jung Tae Lee, Seong Hyeon Park, Jeonghwan Park, Jaemin Kim, Young-Gyun Kim, Hyun Wook Kim, Hyun Sung Noh, Haigun Lee, Sangjun Oh, Seungyong Hahn, “Preliminary Conceptual Design Study on HTS Toroidal Field Coil for Compact High Magnetic Field Tokamak,” IEEE Transactions on Applied Superconductivity, vol. 31, no. 5, pp. 1-7, 2021, doi: 10.1109/tasc.2021.3073262.

[164] Jeonghwan Park, Jeseok Bang, Uijong Bong, Jaemin Kim, D. Abraimov, Seungyong Hahn, “Parametric Study on Effect of Friction and Overbanding in Screening Current Stress of LBC Magnet,” IEEE Transactions on Applied Superconductivity, vol. 31, no. 5, pp. 1-5, 2021, doi: 10.1109/tasc.2021.3070097.

[163] Quanyue Liu, Sangjin Lee, Kibum Choi, Seungyong Hahn, “Minimum Volume Optimal Design Method of Hybrid MRI Magnet,” IEEE Transactions on Applied Superconductivity, vol. 31, no. 5, pp. 1-5, 2021, doi: 10.1109/tasc.2021.3066325.

[162] Chaemin Im, Geonyoung Kim, Jeseok Bang, Kibum Choi, Soobin An, Ki Jin Han, Seungyong Hahn, “Mesh Dependency on a Partial Element Equivalent Circuit Model for an NI HTS Coil,” IEEE Transactions on Applied Superconductivity, vol. 31, no. 5, pp. 1-5, 2021, doi: 10.1109/tasc.2021.3059814.

[161] Takanobu Mato, Seungyong Hahn, So Noguchi, “Mechanical Damage Protection Method by Reducing Induced Current in NI REBCO Pancake Coils During Quench Propagation,” IEEE Transactions on Applied Superconductivity, vol. 31, no. 5, pp. 1-5, 2021, doi: 10.1109/tasc.2021.3065879.

[160] Uijong Bong, Chaemin Im, Jonghoon Yoon, Soobin An, Seok-Won Jung, Ki Jin Han, Seungyong Hahn, “Investigation on Key Parameters of NI HTS Field Coils for High Power Density Synchronous Motors,” IEEE Transactions on Applied Superconductivity, vol. 31, no. 5, pp. 1-5, 2021, doi: 10.1109/tasc.2021.3055178.

[159] Soobin An, Chaemin Im, Jeseok Bang, Jaemin Kim, Uijong Bong, Jung Tae Lee, Geonyoung Kim, Ki Jin Han, Seungyong Hahn, “Fast Distributed Simulation of “Defect-Irrelevant” Behaviors of No-Insulation HTS Coil,” IEEE Transactions on Applied Superconductivity, vol. 31, no. 5, pp. 1-5, 2021, doi: 10.1109/tasc.2021.3066197.

[158] Seong Hyeon Park, Jeseok Bang, Soobin An, Seungyong Hahn, “Design and Performance Analysis of Hexagonal Transmon Qubit in a Superconducting Circuit,” IEEE Transactions on Applied Superconductivity, vol. 31, no. 5, pp. 1-5, 2021, doi: 10.1109/tasc.2021.3070469.

[157] Geonyoung Kim, Andrea Musso, Jeseok Bang, Jung Tae Lee, Chaemin Im, Kibum Choi, Jaemin Kim, Marco Breschi, Ki Jin Han, Seungyong Hahn, “A numerical method for spatially-distributed transient simulation to replicate nonlinear ‘defect-irrelevant’ behaviors of no-insulation HTS coil,” Superconductor Science and Technology, vol. 34, no. 11, p. 115004, 2021, doi: 10.1088/1361-6668/ac211f.

[156] Rae-Eun Kim, Jae-Gil Lee, Jung-Moo Seo, Seungyong Hahn, “2-D Analysis Method for Synchronous Reluctance Motors Considering End-Plate Effect,” IEEE Access, vol. 9, pp. 52008-52014, 2021, doi: 10.1109/access.2021.3070355.

[155] Kabindra R Bhattarai, Kwanglok Kim, Kwangmin Kim, Kyle Radcliff, Xinbo Hu, Chaemin Im, Thomas Painter, Iain Dixon, David Larbalestier, SangGap Lee, Seungyong Hahn, “Understanding quench in no-insulation (NI) REBCO magnets through experiments and simulations,” Superconductor Science and Technology, vol. 33, no. 3, p. 035002, 2020, doi: 10.1088/1361-6668/ab6699.

[154] K. J. Radcliff, R.P. Walsh, D.C. Larbalestier, Seungyong Hahn, “The Effect of Reinforcement Substrate Alloy Selection on Mechanical Properties of REBCO Coated Conductors,” IOP Conference Series: Materials Science and Engineering, vol. 756, no. 1, p. 012023, 2020, doi: 10.1088/1757-899x/756/1/012023.

[153] Jae Young Jang, Young Jin Hwang, Jun Hee Han, Minchul Ahn, Hongmin Yang, Seungyong Hahn, Jeseok Bang, SangGap Lee, “Reproducibility of the field homogeneity of a metal-clad no-insulation all-REBCO magnet with a multi-layer ferromagnetic shim,” Superconductor Science and Technology, vol. 33, no. 2, p. 025005, 2020, doi: 10.1088/1361-6668/ab601d.

[152] Uijong Bong, Soobin An, Jeonghwan Park, Seungyong Hahn, “Numerical Studies on Mechanical Behavior of Dry-Wound HTS Racetrack Coil,” IEEE Transactions on Applied Superconductivity, vol. 30, no. 4, pp. 1-5, 2020, doi: 10.1109/tasc.2020.2982903.

[151] Jaemin Kim, Yungil Kim, Sangwon Yoon, Kanghwan Shin, Junghun Lee, Jong Seop Jung, Jung Tae Lee, Jin-Geun Kim, Donglak Kim, Jonghee Yoo, Hunju Lee, Seung-Hyun Moon, Seungyong Hahn, “Design, construction, and operation of an 18 T 70 mm no-insulation (RE)Ba2Cu3O7-x magnet for an axion haloscope experiment,” Review of Scientific Instruments, vol. 91, no. 2, 2020, doi: 10.1063/1.5124432.

[150] Kwangmin Kim, Kabindra Bhattarai, Kwang Lok Kim, Hongyu Bai, Iain R. Dixon, Thomas A. Painter, Uijong Bong, David C. Larbalestier, Seungyong Hahn, “Design and Performance Estimation of a 20 T 46 mm No-Insulation All-REBCO User Magnet,” IEEE Transactions on Applied Superconductivity, vol. 30, no. 4, pp. 1-5, 2020, doi: 10.1109/tasc.2020.2975166.

[149] Xinbo Hu, Michael Small, Kwanglok Kim, Kwangmin Kim, Kabindra Bhattarai, Anatolii Polyanskii, Kyle Radcliff, Jan Jaroszynski, Uijong Bong, Jeong Hwan Park, Seungyong Hahn, David Larbalestier, “Analyses of the plastic deformation of coated conductors deconstructed from ultra-high field test coils,” Superconductor Science and Technology, vol. 33, no. 9, p. 095012, 2020, doi: 10.1088/1361-6668/aba79d.

[148] Chaemin Im, Soobin An, Jeseok Bang, Jaemin Kim, Kabindra R. Bhattarai, Kwang Lok Kim, Kwangmin Kim, Seungyoung Hahn, “An Inverse Calculation Study on Post-Quench Behavior of a No-Insulation REBCO Insert,” IEEE Transactions on Applied Superconductivity, vol. 30, no. 4, pp. 1-5, 2020, doi: 10.1109/tasc.2020.2981026.

[147] Jung Tae Lee, Jinsub Kim, Hyunjung Lee, Yong Chu, Kwang Pyo Kim, Jaemin Kim, Uijong Bong, Jeonghwan Park, Kaprai Park, Seungyong Hahn, “AC Loss Analysis on the KSTAR PF1L Coil Based on the Long-Term Commissioning Shot Data,” IEEE Transactions on Applied Superconductivity, vol. 30, no. 4, pp. 1-5, 2020, doi: 10.1109/tasc.2020.2972846.

[146] So Noguchi, Teki Imai, Dongkeun Park, Seungyong Hahn, Yukikazu Iwasa, “A simple screening current simulation method using equivalent circuit model for REBCO pancake coils,” Superconductor Science and Technology, vol. 33, no. 11, p. 115005, 2020, doi: 10.1088/1361-6668/abb35b.

[145] Jeseok Bang, Jung Tae Lee, Kibum Choi, Seong Hyeon Park, Uijong Bong, Soobin An, Chaemin Im, Jeonghwan Park, Jaemin Kim, Kabindra Bhattarai, Seungyong Hahn, “A Numerical Method to Calculate Spatial Harmonic Coefficients of Magnetic Fields Generated by Screening Currents in an HTS Magnet,” IEEE Transactions on Applied Superconductivity, vol. 30, no. 4, pp. 1-5, 2020, doi: 10.1109/tasc.2020.2981297.

[144] Soobin An, Kibum Choi, So Noguchi, Chaemin Im, Jeseok Bang, Uijong Bong, Jaemin Kim, Seungyong Hahn, “A Feasibility Study on “Magnetic Dam” to Absorb Magnetic Energy in NI HTS Magnet During Quench,” IEEE Transactions on Applied Superconductivity, vol. 30, no. 4, pp. 1-5, 2020, doi: 10.1109/tasc.2020.2972221.

[143] Jeonghwan Park, Garam Hahn, Jeseok Bang, Uijong Bong, Kibum Choi, Jung Tae Lee, Seungyong Hahn, “A Design Study on No-Insulation HTS Isochronous Cyclotron Magnet for Carbon Ion Therapy,” IEEE Transactions on Applied Superconductivity, vol. 30, no. 4, pp. 1-5, 2020, doi: 10.1109/tasc.2020.2967271.

[142] So Noguchi, Dongkeun Park, Yoonhyuch Choi, Jiho Lee, Yi Li, Philip C. Michael, Juan Bascunan, Seungyong Hahn, Yukikazu Iwasa, “Quench Analyses of the MIT 1.3-GHz LTS/HTS NMR Magnet,” IEEE Transactions on Applied Superconductivity, vol. 29, no. 5, pp. 1-5, 2019, doi: 10.1109/tasc.2019.2903268.

[141] Dongkeun Park, Juan Bascunan, Philip C. Michael, Jiho Lee, Yoon Hyuck Choi, Yi Li, Seungyong Hahn, Yukikazu Iwasa, “MIT 1.3-GHz LTS/HTS NMR Magnet: Post Quench Analysis and New 800-MHz Insert Design,” IEEE Transactions on Applied Superconductivity, vol. 29, no. 5, pp. 1-4, 2019, doi: 10.1109/tasc.2019.2901026.

[140] Jeseok Bang, Seokho Kim, Jae Young Jang, Young Jin Hwang, Mincheol Cho, Jaemin Kim, Jung Tae Lee, Min Cheol Ahn, SangGap Lee, Seungyong Hahn, “Field Measurement and Analysis of a 3 T 66 mm No-Insulation HTS NMR Magnet With Screening Current and Manufacturing Uncertainty Considered,” IEEE Transactions on Applied Superconductivity, vol. 29, no. 5, pp. 1-5, 2019, doi: 10.1109/tasc.2019.2898005.

[139] Miyeon Yoon, Seyeon Lee, Sang Ho Park, Ji-Kwang Lee, Gye-Won Hong, Kyeongdal Choi, Seungyong Hahn, SangGap Lee, Jun Hee Han, Woo-Seok Kim, “Field Mapping of the Jointless HTS Solenoid Magnet in a Persistent Current Mode Operation,” IEEE Transactions on Applied Superconductivity, vol. 29, no. 5, pp. 1-4, 2019, doi: 10.1109/tasc.2019.2898516.

[138] Jeonghwan Park, Garam Hahn, Uijong Bong, Soun P. Kwon, Hyunjung Lee, Mincheol Cho, Jaemin Kim, Yong Chu, Moon Youn Jung, Ki Jin Han, Seungyong Hahn, “Conceptual Design of a 5 T 200 mm 1 T/s Ramping NbTi Synchrotron Magnet for Cancer Treatment,” IEEE Transactions on Applied Superconductivity, vol. 29, no. 5, pp. 1-5, 2019, doi: 10.1109/tasc.2019.2906641.

[137] Mincheol Cho, So Noguchi, Jeseok Bang, Jaemin Kim, Uijong Bong, Jung Tae Lee, Soo Bin An, Kabindra R. Bhattarai, Kwangmin Kim, Kwanglok Kim, Chaemin Im, Ki Jin Han, Seungyong Hahn, “Combined Circuit Model to Simulate Post-Quench Behaviors of No-Insulation HTS Coil,” IEEE Transactions on Applied Superconductivity, vol. 29, no. 5, pp. 1-5, 2019, doi: 10.1109/tasc.2019.2899501.

[136] Philip C. Michael, Dongkeun Park, Yoon Hyuck Choi, Jiho Lee, Yi Li, Juan Bascunan, So Noguchi, Seungyong Hahn, Yukikazu Iwasa, “Assembly and Test of a 3-Nested-Coil 800-MHz REBCO Insert (H800) for the MIT 1.3 GHz LTS/HTS NMR Magnet,” IEEE Transactions on Applied Superconductivity, vol. 29, no. 5, pp. 1-6, 2019, doi: 10.1109/tasc.2019.2901246.

[135] So Noguchi, Hiroshi Ueda, Seungyong Hahn, Atsushi Ishiyama, Yukikazu Iwasa, “A simple screening current-induced magnetic field estimation method for REBCO pancake coils,” Superconductor Science and Technology, vol. 32, no. 4, p. 045007, 2019, doi: 10.1088/1361-6668/aafe26.

[134] So Noguchi, Seungyong Hahn, Atsushi Ishiyama, Yukikazu Iwasa, “A simple protection evaluation method for no-insulation REBCO pancake coils during local normal-state transition,” Superconductor Science and Technology, vol. 32, no. 4, p. 045001, 2019, doi: 10.1088/1361-6668/aafcd2.

[133] Jin-Geun Kim, Seungyong Hahn, Jongho Choi, Yannis K. Semertzidis, Soobin An, Arong Kim, “A Design Study on a Multibillet HTS Induction Heater With REBCO Racetrack Coils,” IEEE Transactions on Applied Superconductivity, vol. 29, no. 5, pp. 1-5, 2019, doi: 10.1109/tasc.2019.2904147.

[132] Uijong Bong, Soobin An, John Voccio, Jaemin Kim, Jung Tae Lee, Jihoon Lee, Ki Jin Han, Haigun Lee, Seungyong Hahn, “A Design Study on 40 MW Synchronous Motor With No-Insulation HTS Field Winding,” IEEE Transactions on Applied Superconductivity, vol. 29, no. 5, pp. 1-6, 2019, doi: 10.1109/tasc.2019.2908548.

[131] Seungyong Hahn, Kwanglok Kim, Kwangmin Kim, Xinbo Hu, Thomas Painter, Iain Dixon, Seokho Kim, Kabindra R. Bhattarai, So Noguchi, Jan Jaroszynski, David C. Larbalestier, “45.5-tesla direct-current magnetic field generated with a high-temperature superconducting magnet,” Nature, vol. 570, no. 7762, pp. 496-499, 2019, doi: 10.1038/s41586-019-1293-1.

[130] So Noguchi, Kwangmin Kim, Seungyong Hahn, “Simulation on Electrical Field Generation by Hall Effect in No-Insulation REBCO Pancake Coils,” IEEE Transactions on Applied Superconductivity, vol. 28, no. 3, pp. 1-5, 2018, doi: 10.1109/tasc.2018.2799573.

[129] Min Cheol Ahn, Hongmin Yang, Kyungmin Kim, Jae Young Jang, SangGap Lee, Seungyong Hahn, “Optimal Design Methodology of Multiwidth HTS Magnet for Minimum Wire Consumption,” IEEE Transactions on Applied Superconductivity, vol. 28, no. 3, pp. 1-5, 2018, doi: 10.1109/tasc.2018.2795570.

[128] Seokho Kim, Changhyung Lee, Jeseok Bang, Seungyong Hahn, “Manipulation of screening currents in an (RE)Ba₂Cu₃O_7-x superconducting magnet,” Materials Research Express, vol. 6, no. 2, p. 026004, 2018, doi: 10.1088/2053-1591/aaebe1.

[127] L Changyung, H Seungyong, B Jeseok, C Jeonwook, S Kim, “Current overshoot operation of a REBCO magnet to mitigate SCF,” Progress in Superconductivity and Cryogenics, vol. 20, no. 4, pp. 65-69, 2018.

[126] So Noguchi, Seungyong Hahn, Hiroshi Ueda, SeokBeom Kim, Atsushi Ishiyama, “An Extended Thin Approximation Method to Simulate Screening Current Induced in REBCO Coils,” IEEE Transactions on Magnetics, vol. 54, no. 3, pp. 1-4, 2018, doi: 10.1109/tmag.2017.2752083.

[125] Jae Young Jang, Jun Hee Han, Changsoo Kim, Young Jin Hwang, Seungyong Hahn, Min Cheol Ahn, SangGap Lee, “A High-Resolution Magnetometer Over a Wide Homogeneity Range,” IEEE Transactions on Applied Superconductivity, vol. 28, no. 3, pp. 1-5, 2018, doi: 10.1109/tasc.2018.2801315.

[124] Timing Qu, Philip C. Michael, Juan Bascunan, Thibault Lecrevisse, Mingzhi Guan, Seungyong Hahn, Yukikazu Iwasa, “Test of an 8.66-T REBCO Insert Coil With Overbanding Radial Build for a 1.3-GHz LTS/HTS NMR Magnet,” IEEE Transactions on Applied Superconductivity, vol. 27, no. 4, pp. 1-5, 2017, doi: 10.1109/tasc.2016.2633626.

[123] Kwanglok Kim, Kwangmin Kim, Kabindra R Bhattarai, Kyle Radcliff, Jae Young Jang, Young Jin Hwang, SangGap Lee, Sangwon Yoon, Seungyong Hahn, “Quench behavior of a no-insulation coil wound with stainless steel cladding REBCO tape at 4.2 K,” Superconductor Science and Technology, vol. 30, no. 7, p. 075001, 2017, doi: 10.1088/1361-6668/aa6a8b.

[122] Kabindra R. Bhattarai, Kwanglok Kim, Seokho Kim, SangGap Lee, Seungyong Hahn, “Quench Analysis of a Multiwidth No-Insulation 7-T 78-mm REBCO Magnet,” IEEE Transactions on Applied Superconductivity, vol. 27, no. 4, pp. 1-5, 2017, doi: 10.1109/tasc.2017.2669962.

[121] Seokho Kim, Seungyong Hahn, Kwangmin Kim, David Larbalestier, “Method for generating linear current-field characteristics and eliminating charging delay in no-insulation superconducting magnets,” Superconductor Science and Technology, vol. 30, no. 3, p. 035020, 2017, doi: 10.1088/1361-6668/aa56ff.

[120] A Patel, S Hahn, J Voccio, A Baskys, S C Hopkins, B A Glowacki, “Magnetic levitation using a stack of high temperature superconducting tape annuli,” Superconductor Science and Technology, vol. 30, no. 2, p. 024007, 2017, doi: 10.1088/1361-6668/30/2/024007.

[119] Jae Young Jang, Sangwon Yoon, Seungyong Hahn, Young Jin Hwang, Jaemin Kim, Kang Hwan Shin, Kyekun Cheon, Kwanglok Kim, Sehwan In, Yong-Ju Hong, Hankil Yeom, Hunju Lee, Seung-Hyun Moon, SangGap Lee, “Design, construction and 13 K conduction-cooled operation of a 3 T 100 mm stainless steel cladding all-REBCO magnet,” Superconductor Science and Technology, vol. 30, no. 10, p. 105012, 2017, doi: 10.1088/1361-6668/aa8354.

[118] Kwangmin Kim, Kabindra R Bhattarai, Jae Young Jang, Young Jin Hwang, Kwanglok Kim, Sangwon Yoon, SangGap Lee, Seungyong Hahn, “Design and performance estimation of a 35 T 40 mm no-insulation all-REBCO user magnet,” Superconductor Science and Technology, vol. 30, no. 6, p. 065008, 2017, doi: 10.1088/1361-6668/aa6677.

[117] Jun Lu, Robert Goddard, Ke Han, Seungyong Hahn, “Contact resistance between two REBCO tapes under load and load cycles,” Superconductor Science and Technology, vol. 30, no. 4, p. 045005, 2017, doi: 10.1088/1361-6668/aa5b05.

[116] Juan Bascunan, Philip Michael, Seungyong Hahn, Thibault Lecrevisse, Yukikazu Iwasa, “Construction and Test Results of Coil 2 of a Three-Coil 800-MHz REBCO Insert for the 1.3-GHz High-Resolution NMR Magnet,” IEEE Transactions on Applied Superconductivity, vol. 27, no. 4, pp. 1-4, 2017, doi: 10.1109/tasc.2016.2641341.

[115] Young Jin Hwang, Seungyong Hahn, SangGap Lee, Jae Young Jang, Jun Hee Han, Hunju Lee, Jaemin Kim, Hankil Yeom, Sangwon Yoon, Kyungmin Kim, Min Cheol Ahn, “A Study on Mitigation of Screening Current Induced Field with a 3-T 100-mm Conduction-Cooled Metallic Cladding REBCO Magnet,” IEEE Transactions on Applied Superconductivity, vol. 27, no. 4, pp. 1-5, 2017, doi: 10.1109/tasc.2016.2646325.

[114] Philip C. Michael, Timing Qu, John Voccio, Juan Bascunan, Seungyong Hahn, Yukikazu Iwasa, “A REBCO Persistent-Current Switch (PCS): Test Results and Switch Heater Performance,” IEEE Transactions on Applied Superconductivity, vol. 27, no. 4, pp. 1-5, 2017, doi: 10.1109/tasc.2017.2652303.

[113] Jiayin Ling, John P Voccio, Seungyong Hahn, Timing Qu, Juan Bascuñán, Yukikazu Iwasa, “A persistent-mode 0.5 T solid-nitrogen-cooled MgB₂magnet for MRI,” Superconductor Science and Technology, vol. 30, no. 2, p. 024011, 2017, doi: 10.1088/1361-6668/30/2/024011.

[112] JB Song, SY Hahn, “'Leak Current'correction for critical current measurement of no-insulation HTS coil,” Progress in Superconductivity and Cryogenics, vol. 19, no. 2, pp. 48-52, 2017.

[111] Seungyong Hahn, Kyle Radcliff, Kwanglok Kim, Seokho Kim, Xinbo Hu, Kwangmin Kim, Dmytro V Abraimov, Jan Jaroszynski, “‘Defect-irrelevant’ behavior of a no-insulation pancake coil wound with REBCO tapes containing multiple defects,” Superconductor Science and Technology, vol. 29, no. 10, p. 105017, 2016, doi: 10.1088/0953-2048/29/10/105017.

[110] Timing Qu, Philip C. Michael, John Voccio, Juan Bascuñán, Seungyong Hahn, Yukikazu Iwasa, “Persistent-current switch for pancake coils of rare earth-barium-copper-oxide high-temperature superconductor: Design and test results of a double-pancake coil operated in liquid nitrogen (77-65 K) and in solid nitrogen (60-57 K),” Applied Physics Letters, vol. 109, no. 8, 2016, doi: 10.1063/1.4961622.

[109] Frank X. Li, John P. Voccio, Michael Sammartino, Jalal Jalali, Min Cheol Ahn, Seungyong Hahn, Juan Bascunan, Yukikazu Iwasa, “High-Resolution Magnetic Field Mapping System With an NMR Probe,” IEEE Transactions on Applied Superconductivity, vol. 26, no. 4, pp. 1-4, 2016, doi: 10.1109/tasc.2016.2535253.

[108] Jaemin Kim, Sangwon Yoon, Kyekun Cheon, Kang Hwan Shin, Seungyoung Hahn, Dong Lak Kim, SangGap Lee, Hunju Lee, Seung-Hyun Moon, “Effect of Resistive Metal Cladding of HTS Tape on the Characteristic of No-Insulation Coil,” IEEE Transactions on Applied Superconductivity, vol. 26, no. 4, pp. 1-6, 2016, doi: 10.1109/tasc.2016.2541687.

[107] Juan Bascunan, Seungyong Hahn, Thibault Lecrevisse, Jungbin Song, Daisuke Miyagi, Yukikazu Iwasa, “An 800-MHz all-REBCO Insert for the 1.3-GHz LTS/HTS NMR Magnet Program—A Progress Report,” IEEE Transactions on Applied Superconductivity, vol. 26, no. 4, pp. 1-5, 2016, doi: 10.1109/tasc.2015.2512045.

[106] Frank X. Li, John P. Voccio, Michael Sammartino, Min Cheol Ahn, Seungyong Hahn, Juan Bascunan, Yukikazu Iwasa, “A Theoretical Design Approach for Passive Shimming of a Magic-Angle-Spinning NMR Magnet,” IEEE Transactions on Applied Superconductivity, vol. 26, no. 4, pp. 1-4, 2016, doi: 10.1109/tasc.2015.2512540.

[105] Mingzhi Guan, Seungyong Hahn, Juan Bascunan, Xingzhe Wang, Peifeng Gao, Youhe Zhou, Yukikazu Iwasa, “A Parametric Study on Overband Radial Build for a REBCO 800-MHz Insert of a 1.3-GHz LTS/HTS NMR Magnet,” IEEE Transactions on Applied Superconductivity, vol. 26, no. 4, pp. 1-5, 2016, doi: 10.1109/tasc.2016.2521679.

[104] Y. H. Choi, J. B. Song, D. G. Yang, Y. G. Kim, S. Hahn, H. G. Lee, “A novel no-insulation winding technique of high temperature-superconducting racetrack coil for rotating applications: A progress report in Korea university,” Review of Scientific Instruments, vol. 87, no. 10, 2016, doi: 10.1063/1.4963680.

[103] Kwang Lok Kim, Sangwon Yoon, Kyekun Cheon, Jaemin Kim, Hunju Lee, SangGap Lee, Dong Lak Kim, Seungyong Hahn, “400-MHz/60-mm All-REBCO Nuclear Magnetic Resonance Magnet: Magnet Design,” IEEE Transactions on Applied Superconductivity, vol. 26, no. 4, pp. 1-4, 2016, doi: 10.1109/tasc.2015.2509172.

[102] Sangwon Yoon, Jaemin Kim, Kyekun Cheon, Hunju Lee, Seungyong Hahn, Seung-Hyun Moon, “26 T 35 mm all-GdBa₂Cu₃O_7-xmulti-width no-insulation superconducting magnet,” Superconductor Science and Technology, vol. 29, no. 4, p. 04LT04, 2016, doi: 10.1088/0953-2048/29/4/04lt04.

[101] Thibault Lecrevisse, Juan Bascunan, Seungyong Hahn, Youngjae Kim, Jungbin Song, Yukikazu Iwasa, “Tape-to-Tape Joint Resistances of a Magnet Assembled From (RE)BCO Double-Pancake Coils,” IEEE Transactions on Applied Superconductivity, vol. 25, no. 3, pp. 1-5, 2015, doi: 10.1109/tasc.2014.2372891.

[100] Youngjae Kim, Seungyong Hahn, John Voccio, Jungbin Song, Juan Bascunan, Yukikazu Iwasa, “Strain in YBCO Double-Pancake Coil With Stainless Steel Overband Under External Magnetic Field,” IEEE Transactions on Applied Superconductivity, vol. 25, no. 3, pp. 1-4, 2015, doi: 10.1109/tasc.2014.2365738.

[99] Jung-Bin Song, Seungyong Hahn, Thibault Lécrevisse, John Voccio, Juan Bascuñán, Yukikazu Iwasa, “Over-current quench test and self-protecting behavior of a 7 T/78 mm multi-width no-insulation REBCO magnet at 4.2 K,” Superconductor Science and Technology, vol. 28, no. 11, p. 114001, 2015, doi: 10.1088/0953-2048/28/11/114001.

[98] Seungyong Hahn, Youngjae Kim, Jungbin Song, John P. Voccio, Yong Chu, Juan Bascunan, Masaru Tomita, Yukikazu Iwasa, “Operation of a 130-MH<roman>z</roman>/9-mm Compact HTS Annulus Magnet With a Micro-NMR Probe,” IEEE Transactions on Applied Superconductivity, vol. 25, no. 3, pp. 1-5, 2015, doi: 10.1109/tasc.2014.2367658.

[97] Dong Gyu Yang, Seungyong Hahn, Youngjae Kim, Yoon Hyuck Choi, Hyun-Jin Shin, Haigun Lee, “Numerical Analysis on Characteristic Resistance of No-Insulation and Partial-Insulation NbTi Solenoids,” IEEE Transactions on Applied Superconductivity, vol. 25, no. 3, pp. 1-5, 2015, doi: 10.1109/tasc.2014.2375952.

[96] Min Cheol Ahn, Jeongwoo Jang, Seungyong Hahn, Young-Gyun Kim, Haigun Lee, “Field Mapping and Automated Shimming of an HTS Magnet by “Internal” Active Shim Coils Located in the Bore of the Magnet,” IEEE Transactions on Applied Superconductivity, vol. 25, no. 3, pp. 1-4, 2015, doi: 10.1109/tasc.2014.2364717.

[95] K. L. Kim, S. Hahn, Y. H. Choi, Y. G. Kim, D. H. Kang, K. Kazikawa, H. G. Lee, “Feasibility Study for Elimination of the Screening Current-Induced Fields in HTS Coil,” Journal of Superconductivity and Novel Magnetism, vol. 28, no. 1, pp. 83-88, 2015, doi: 10.1007/s10948-014-2790-y.

[94] Yoon Hyuck Choi, Seungyong Hahn, Hyun-Jin Shin, Dong-Hyung Kang, Haigun Lee, “Experimental and Analytical Studies on Electromagnetic Behaviors of the GdBCO Racetrack Coils in a Time-Varying Magnetic Field,” IEEE Transactions on Applied Superconductivity, vol. 25, no. 3, pp. 1-6, 2015, doi: 10.1109/tasc.2014.2372871.

[93] Jung-Bin Song, Seungyong Hahn, Youngjae Kim, Daisuke Miyagi, John Voccio, Juan Bascunan, Haigun Lee, Yukikazu Iwasa, “Dynamic Response of No-Insulation and Partial-Insulation Coils for HTS Wind Power Generator,” IEEE Transactions on Applied Superconductivity, vol. 25, no. 3, pp. 1-5, 2015, doi: 10.1109/tasc.2014.2384739.

[92] Kazuhiro Kajikawa, Gwendolyn V. Gettliffe, Yong Chu, Daisuke Miyagi, Thibault P. Lecrevisse, Seungyong Hahn, Juan Bascunan, Yukikazu Iwasa, “Designs and Tests of Shaking Coils to Reduce Screening Currents Induced in HTS Insert Coils for NMR Magnet,” IEEE Transactions on Applied Superconductivity, vol. 25, no. 3, pp. 1-5, 2015, doi: 10.1109/tasc.2014.2363495.

[91] Seungyong Hahn, Jungbin Song, Youngjae Kim, Ki Jin Han, Haigun Lee, Yukikazu Iwasa, Yong Chu, “Design Study on a 100-kA/20-K HTS Cable for Fusion Magnets,” IEEE Transactions on Applied Superconductivity, vol. 25, no. 3, pp. 1-5, 2015, doi: 10.1109/tasc.2014.2371068.

[90] Y.G. Kim, S. Hahn, K.L. Kim, D.G. Yang, H.G. Lee, “Design consideration and optimization procedure for a no-insulation multi-width REBCO magnet,” Current Applied Physics, vol. 15, no. 10, pp. 1134-1138, 2015, doi: 10.1016/j.cap.2015.06.024.

[89] Seungyong Hahn, Jungbin Song, Youngjae Kim, Thibault Lecrevisse, Yong Chu, John Voccio, Juan Bascunan, Yukikazu Iwasa, “Construction and Test of 7-T/68-mm Cold-Bore Multiwidth No-Insulation GdBCO Magnet,” IEEE Transactions on Applied Superconductivity, vol. 25, no. 3, pp. 1-5, 2015, doi: 10.1109/tasc.2014.2363555.

[88] Jiayin Ling, John P. Voccio, Seungyong Hahn, Youngjae Kim, Jungbin Song, Juan Bascunan, Yukikazu Iwasa, “Construction and Persistent-Mode Operation of $\hbox{MgB}_{2}$ Coils in the Range 10-15 K for a 0.5-T/240-mm Cold Bore MRI Magnet,” IEEE Transactions on Applied Superconductivity, vol. 25, no. 3, pp. 1-5, 2015, doi: 10.1109/tasc.2014.2370105.

[87] Woo Seung Lee, Jiho Lee, Seunghyun Song, Young Gun Park, Hongwoo Jin, Seungyong Hahn, Min Cheol Ahn, Tae Kuk Ko, “Analysis of the Current Charge and Discharge Characteristics of a Small-Scale Turn-to-Turn Soldered HTS Coil,” IEEE Transactions on Applied Superconductivity, vol. 25, no. 3, pp. 1-4, 2015, doi: 10.1109/tasc.2015.2404574.

[86] Tao Wang, So Noguchi, Xudong Wang, Issei Arakawa, Katsuhiko Minami, Katsutoshi Monma, Atsushi Ishiyama, Seungyong Hahn, Yukikazu Iwasa, “Analyses of Transient Behaviors of No-Insulation REBCO Pancake Coils During Sudden Discharging and Overcurrent,” IEEE Transactions on Applied Superconductivity, vol. 25, no. 3, pp. 1-9, 2015, doi: 10.1109/tasc.2015.2393058.

[85] Frank X Li, John P Voccio, Min Cheol Ahn, Seungyong Hahn, Juan Bascuñán, Yukikazu Iwasa, “An analytical approach towards passive ferromagnetic shimming design for a high-resolution NMR magnet,” Superconductor Science and Technology, vol. 28, no. 7, p. 075006, 2015, doi: 10.1088/0953-2048/28/7/075006.

[84] Yukikazu Iwasa, Juan Bascunan, Seungyong Hahn, John Voccio, Youngjae Kim, Thibault Lecrevisse, Jungbin Song, Kazuhiro Kajikawa, “A High-Resolution 1.3-GHz/54-mm LTS/HTS NMR Magnet,” IEEE Transactions on Applied Superconductivity, vol. 25, no. 3, pp. 1-5, 2015, doi: 10.1109/tasc.2014.2363496.

[83] John Voccio, Seungyong Hahn, Youngjae Kim, Jungbin Song, Kazuhiro Kajikawa, So Noguchi, Juan Bascunan, Yukikazu Iwasa, “A 1.5-T Magic-Angle Spinning NMR Magnet: 4.2-K Performance and Field Mapping Test Results,” IEEE Transactions on Applied Superconductivity, vol. 25, no. 3, pp. 1-5, 2015, doi: 10.1109/tasc.2014.2375892.

[82] Seungyong Hahn, Youngjae Kim, John P. Voccio, Jungbin Song, Juan Bascunan, Masaru Tomita, Yukikazu Iwasa, “Temporal Enhancement of Trapped Field in a Compact NMR Magnet Comprising YBCO Annuli,” IEEE Transactions on Applied Superconductivity, vol. 24, no. 3, pp. 1-5, 2014, doi: 10.1109/tasc.2013.2283226.

[81] So Noguchi, Seungyong Hahn, Yukikazu Iwasa, “Passive Shimming for Magic-Angle-Spinning NMR,” IEEE Transactions on Applied Superconductivity, vol. 24, no. 3, pp. 1-4, 2014, doi: 10.1109/tasc.2013.2284548.

[80] So Noguchi, SeokBeom Kim, Seungyong Hahn, Yukikazu Iwasa, “Passive Shimming by Eliminating Spherical Harmonics Coefficients of all Magnetic Field Components Generated by Correction Iron Pieces,” IEEE Transactions on Magnetics, vol. 50, no. 2, pp. 605-608, 2014, doi: 10.1109/tmag.2013.2276736.

[79] Youngjae Kim, Seungyong Hahn, Jiayin Ling, Kwang Lok Kim, Jungbin Song, John Voccio, Juan Bascunan, Yukikazu Iwasa, “Partial-Insulation Winding Technique for NbTi Coils,” IEEE Transactions on Applied Superconductivity, vol. 24, no. 3, pp. 1-5, 2014, doi: 10.1109/tasc.2013.2289317.

[78] So Noguchi, Ryusei Itoh, Seungyong Hahn, Yukikazu Iwasa, “Numerical Simulation of Superconducting Coil Wound With No-Insulation NbTi Wire,” IEEE Transactions on Applied Superconductivity, vol. 24, no. 3, pp. 1-4, 2014, doi: 10.1109/tasc.2013.2287909.

[77] Jung-Bin Song, Seungyong Hahn, Youngjae Kim, John Voccio, Jiayin Ling, Juan Bascunan, Haigun Lee, Yukikazu Iwasa, “HTS Wind Power Generator: Electromagnetic Force Between No-Insulation and Insulation Coils Under Time-Varying Conditions,” IEEE Transactions on Applied Superconductivity, vol. 24, no. 3, pp. 1-5, 2014, doi: 10.1109/tasc.2013.2285725.

[76] Min Cheol Ahn, Jeongwoo Jang, Woo Seung Lee, Seungyong Hahn, Haigun Lee, “Experimental Study on Hysteresis of Screening-Current-Induced Field in an HTS Magnet for NMR Applications,” IEEE Transactions on Applied Superconductivity, vol. 24, no. 3, pp. 1-5, 2014, doi: 10.1109/tasc.2013.2290500.

[75] Kwang Lok Kim, Seungyong Hahn, Youngjae Kim, Dong Gyu Yang, Jung-Bin Song, Juan Bascunan, Haigun Lee, Yukikazu Iwasa, “Effect of Winding Tension on Electrical Behaviors of a No-Insulation REBCO Pancake Coil,” IEEE Transactions on Applied Superconductivity, vol. 24, no. 3, pp. 1-5, 2014, doi: 10.1109/tasc.2013.2283855.

[74] Jiayin Ling, John Voccio, Seungyong Hahn, Youngjae Kim, Jungbin Song, Juan Bascunan, Yukikazu Iwasa, “Development of a 0.5-T/240-mm $\hbox{MgB}_{2}$ MRI Magnet: Assembly Design and Module Coils,” IEEE Transactions on Applied Superconductivity, vol. 24, no. 3, pp. 1-5, 2014, doi: 10.1109/tasc.2013.2283217.

[73] Jang Ho Seo, Ki Jin Han, Hong Soon Choi, Se-Hee Lee, Seungyong Hahn, Haigun Lee, “Comparison Study on Harmonic Loss of MW-Class Wind Generators With HTS Field Winding,” IEEE Transactions on Applied Superconductivity, vol. 24, no. 3, pp. 1-5, 2014, doi: 10.1109/tasc.2013.2280725.

[72] Dong Gyu Yang, Seungyong Hahn, Youngjae Kim, Kwang Lok Kim, Jung-Bin Song, Juan Bascunan, Haigun Lee, Yukikazu Iwasa, “Characteristic Resistance of No-Insulation and Partial-Insulation Coils With Nonuniform Current Distribution,” IEEE Transactions on Applied Superconductivity, vol. 24, no. 3, pp. 1-5, 2014, doi: 10.1109/tasc.2013.2285103.

[71] Seungyong Hahn, Youngjae Kim, Jungbin Song, John Voccio, Jiayin Ling, Juan Bascunan, Yukikazu Iwasa, “A 78-mm/7-T Multi-Width No-Insulation REBCO Magnet: Key Concept and Magnet Design,” IEEE Transactions on Applied Superconductivity, vol. 24, no. 3, pp. 1-5, 2014, doi: 10.1109/tasc.2013.2288151.

[70] John Voccio, Seungyong Hahn, Youngjae Kim, Jiayin Ling, Jungbin Song, Juan Bascunan, Yukikazu Iwasa, “A 1.5-T/75-mm Magic-Angle-Spinning NMR Magnet,” IEEE Transactions on Applied Superconductivity, vol. 24, no. 3, pp. 1-4, 2014, doi: 10.1109/tasc.2013.2285287.

[69] Juan Bascunan, Seungyong Hahn, Youngjae Kim, Jungbin Song, Yukikazu Iwasa, “90-mm/18.8-T All-HTS Insert Magnet for 1.3 GHz LTS/HTS NMR Application: Magnet Design and Double-Pancake Coil Fabrication,” IEEE Transactions on Applied Superconductivity, vol. 24, no. 3, pp. 1-4, 2014, doi: 10.1109/tasc.2013.2285781.

[68] Youngjae Kim, J. Bascunan, T. Lecrevisse, S. Hahn, J. Voccio, Dong Keun Park, Y. Iwasa, “YBCO and Bi2223 Coils for High Field LTS/HTS NMR Magnets: HTS-HTS Joint Resistivity,” IEEE Transactions on Applied Superconductivity, vol. 23, no. 3, pp. 6800704-6800704, 2013, doi: 10.1109/tasc.2013.2243195.

[67] Xudong Wang, Seungyong Hahn, Youngjae Kim, Juan Bascuñán, John Voccio, Haigun Lee, Yukikazu Iwasa, “Turn-to-turn contact characteristics for an equivalent circuit model of no-insulation REBCO pancake coil,” Superconductor Science and Technology, vol. 26, no. 3, p. 035012, 2013, doi: 10.1088/0953-2048/26/3/035012.

[66] Yukikazu Iwasa, Seungyong Hahn, John Voccio, Dong Keun Park, Youngjae Kim, Juan Bascuñán, “Persistent-mode high-temperature superconductor shim coils: A design concept and experimental results of a prototype Z1 high-temperature superconductor shim,” Applied Physics Letters, vol. 103, no. 5, 2013, doi: 10.1063/1.4816132.

[65] Seungyong Hahn, Youngjae Kim, Dong Keun Park, Kwangmin Kim, John P. Voccio, Juan Bascuñán, Yukikazu Iwasa, “No-insulation multi-width winding technique for high temperature superconducting magnet,” Applied Physics Letters, vol. 103, no. 17, 2013, doi: 10.1063/1.4826217.

[64] Seungyong Hahn, Youngjae Kim, Jiayin Ling, J. Voccio, Dong Keun Park, J. Bascunan, Hyun-Jin Shin, Haigun Lee, Y. Iwasa, “No-Insulation Coil Under Time-Varying Condition: Magnetic Coupling With External Coil,” IEEE Transactions on Applied Superconductivity, vol. 23, no. 3, pp. 4601705-4601705, 2013, doi: 10.1109/tasc.2013.2240756.

[63] Jiayin Ling, J. Voccio, Youngjae Kim, Seungyong Hahn, J. Bascunan, D. K. Park, Y. Iwasa, “Monofilament $\hbox{MgB}_{2}$ Wire for a Whole-Body MRI Magnet: Superconducting Joints and Test Coils,” IEEE Transactions on Applied Superconductivity, vol. 23, no. 3, pp. 6200304-6200304, 2013, doi: 10.1109/tasc.2012.2234183.

[62] J. Voccio, Seungyong Hahn, Dong Keun Park, Jiayin Ling, Youngjae Kim, J. Bascunan, Y. Iwasa, “Magic-Angle-Spinning NMR Magnet Development: Field Analysis and Prototypes,” IEEE Transactions on Applied Superconductivity, vol. 23, no. 3, pp. 4300804-4300804, 2013, doi: 10.1109/tasc.2013.2245934.

[61] Yukikazu Iwasa, Seungyong Hahn, “First-cut design of an all-superconducting 100-T direct current magnet,” Applied Physics Letters, vol. 103, no. 25, 2013, doi: 10.1063/1.4852596.

[60] Blair Gagnon, Seungyong Hahn, Dong Keun Park, John Voccio, Kwangmin Kim, Juan Bascuñán, Yukikazu Iwasa, “Field performance of a prototype compact YBCO “annulus” magnet for micro-NMR spectroscopy,” Physica C: Superconductivity, vol. 486, pp. 26-31, 2013, doi: 10.1016/j.physc.2012.12.013.

[59] Young Jin Hwang, Sukjin Choi, Hyun Chul Jo, Yoon Hyuck Choi, Tae Jung Kim, Seungyoung Hahn, Tae Kuk Ko, “Evaluations on AC Electrical Characteristics of No-Insulation Coil for Power Devices,” IEEE Transactions on Applied Superconductivity, vol. 23, no. 3, pp. 4700604-4700604, 2013, doi: 10.1109/tasc.2012.2231891.

[58] O J Kwon, K L Kim, Y H Choi, H J Shin, S Hahn, Y Iwasa, H G Lee, “Effects of turn-to-turn compactness in the straight sections of HTS racetrack coils on thermal and electrical characteristics,” Superconductor Science and Technology, vol. 26, no. 8, p. 085025, 2013, doi: 10.1088/0953-2048/26/8/085025.

[57] Hyun-Jin Shin, Kwang Lok Kim, Yoon Hyuck Choi, Oh Jun Kwon, Seungyong Hahn, Y. Iwasa, H. G. Lee, “Effects of Impregnating Materials on Thermal and Electrical Stabilities of the HTS Racetrack Pancake Coils Without Turn-to-Turn Insulation,” IEEE Transactions on Applied Superconductivity, vol. 23, no. 3, pp. 7700404-7700404, 2013, doi: 10.1109/tasc.2012.2234179.

[56] Seungyong Hahn, Youngjae Kim, J. Voccio, Dong Keun Park, B. Gagnon, J. Bascunan, M. Tomita, Y. Iwasa, “Bulk and Plate Annulus Stacks for Compact NMR Magnets: Trapped Field Characteristics and Active Shimming Performance,” IEEE Transactions on Applied Superconductivity, vol. 23, no. 3, pp. 4300504-4300504, 2013, doi: 10.1109/tasc.2013.2240752.

[55] Woo Seung Lee, Min Cheol Ahn, Seung-yong Hahn, Tae Kuk Ko, “A Study on an Algorithm for Finding Magnetic Center of an Asymmetric HTS Magnet With 3-Axis Mapper,” IEEE Transactions on Applied Superconductivity, vol. 23, no. 3, pp. 4900204-4900204, 2013, doi: 10.1109/tasc.2012.2231456.

[54] J. Bascunan, S. Hahn, Y. Kim, Y. Iwasa, “A New High-Temperature Superconducting (HTS) 700-MHz Insert Magnet for a 1.3-GHz LTS/HTS NMR Magnet,” IEEE Transactions on Applied Superconductivity, vol. 23, no. 3, pp. 4400304-4400304, 2013, doi: 10.1109/tasc.2012.2234812.

[53] Min Cheol Ahn, Seungyong Hahn, Haigun Lee, “3-D Field Mapping and Active Shimming of a Screening-Current-Induced Field in an HTS Coil Using Harmonic Analysis for High-Resolution NMR Magnets,” IEEE Transactions on Applied Superconductivity, vol. 23, no. 3, pp. 4400804-4400804, 2013, doi: 10.1109/tasc.2012.2237491.

[52] Yukikazu Iwasa, Juan Bascuñán, Seungyong Hahn, Dong Keun Park, “Solid-Cryogen Cooling Technique for Superconducting Magnets of NMR and MRI,” Physics Procedia, vol. 36, pp. 1348-1353, 2012, doi: 10.1016/j.phpro.2012.06.303.

[51] J. Bascunan, Seungyong Hahn, Dong Keun Park, Youngjae Kim, Y. Iwasa, “On the 600 MHz HTS Insert for a 1.3 GHz NMR Magnet,” IEEE Transactions on Applied Superconductivity, vol. 22, no. 3, pp. 4302104-4302104, 2012, doi: 10.1109/tasc.2011.2178570.

[50] Seungyong Hahn, Dong Keun Park, Kwangmin Kim, J. Bascunan, Y. Iwasa, “No-Insulation (NI) Winding Technique for Premature-Quench-Free NbTi MRI Magnets,” IEEE Transactions on Applied Superconductivity, vol. 22, no. 3, pp. 4501004-4501004, 2012, doi: 10.1109/tasc.2011.2178970.

[49] Seungyong Hahn, Dong Keun Park, J. Voccio, J. Bascunan, Y. Iwasa, “No-Insulation (NI) HTS Inserts for $>$1 GHz LTS/HTS NMR Magnets,” IEEE Transactions on Applied Superconductivity, vol. 22, no. 3, pp. 4302405-4302405, 2012, doi: 10.1109/tasc.2011.2178976.

[48] Young-Gyun Kim, Seungyong Hahn, Kwang Lok Kim, Oh Jun Kwon, Haigun Lee, “Investigation of HTS Racetrack Coil Without Turn-to-Turn Insulation for Superconducting Rotating Machines,” IEEE Transactions on Applied Superconductivity, vol. 22, no. 3, pp. 5200604-5200604, 2012, doi: 10.1109/tasc.2011.2181931.

[47] Sukjin Choi, Hyun Chul Jo, Young Jin Hwang, Seungyong Hahn, Tae Kuk Ko, “A Study on the No Insulation Winding Method of the HTS Coil,” IEEE Transactions on Applied Superconductivity, vol. 22, no. 3, pp. 4904004-4904004, 2012, doi: 10.1109/tasc.2011.2175892.

[46] Seungyong Hahn, J. Voccio, Dong Keun Park, Kwang-Min Kim, M. Tomita, J. Bascunan, Y. Iwasa, “A Stack of YBCO Annuli, Thin Plate and Bulk, for Micro-NMR Spectroscopy,” IEEE Transactions on Applied Superconductivity, vol. 22, no. 3, pp. 4302204-4302204, 2012, doi: 10.1109/tasc.2011.2178969.

[45] Dong Keun Park, Jiayin Ling, M. Rindfleisch, J. Voccio, S. Hahn, J. Bascunan, M. Tomsic, Y. Iwasa, “${\rm MgB}_{2}$ for MRI Magnets: Test Coils and Superconducting Joints Results,” IEEE Transactions on Applied Superconductivity, vol. 22, no. 3, pp. 4400305-4400305, 2012, doi: 10.1109/tasc.2012.2185472.

[44] S. B. Kim, M. Imai, R. Takano, J. H. Joo, S. Hahn, “Study on Optimized Configuration of Stacked HTS Bulk Annuli for Compact NMR Application,” IEEE Transactions on Applied Superconductivity, vol. 21, no. 3, pp. 2080-2083, 2011, doi: 10.1109/tasc.2010.2089590.

[43] Yeon Suk Choi, Dong Lak Kim, Seung Yong Hahn, “Progress on the Development of a 5 T HTS Insert Magnet for GHz Class NMR Applications,” IEEE Transactions on Applied Superconductivity, vol. 21, no. 3, pp. 1644-1648, 2011, doi: 10.1109/tasc.2010.2101035.

[42] Y H Choi, S Hahn, J B Song, D G Yang, H G Lee, “Partial insulation of GdBCO single pancake coils for protection-free HTS power applications,” Superconductor Science and Technology, vol. 24, no. 12, p. 125013, 2011, doi: 10.1088/0953-2048/24/12/125013.

[41] Seungyong Hahn, Dong Keun Park, Juan Bascunan, Yukikazu Iwasa, “HTS Pancake Coils Without Turn-to-Turn Insulation,” IEEE Transactions on Applied Superconductivity, vol. 21, no. 3, pp. 1592-1595, 2011, doi: 10.1109/tasc.2010.2093492.

[40] Seungyong Hahn, John Voccio, Stéphane Bermond, Dong-Keun Park, Juan Bascunan, Seok-Beom Kim, Tomita Masaru, Yukikazu Iwasa, “Field Performance of an Optimized Stack of YBCO Square “Annuli” for a Compact NMR Magnet,” IEEE Transactions on Applied Superconductivity, vol. 21, no. 3, pp. 1632-1635, 2011, doi: 10.1109/tasc.2010.2103920.

[39] Dong Keun Park, Seungyong Hahn, Juan Bascunan, Yukikazu Iwasa, “Active Protection of an ${\rm MgB}_{2}$ Test Coil,” IEEE Transactions on Applied Superconductivity, vol. 21, no. 3, pp. 2402-2405, 2011, doi: 10.1109/tasc.2010.2095812.

[38] Sangjin Lee, Seungyong Hahn, Kideok Sim, “A Ferromagnetic Shimming Method for NMR/MRI Magnets Adopting Two Consecutive Optimization Techniques: Linear Programming and Evolution Strategy,” Journal of Superconductivity and Novel Magnetism, vol. 24, no. 1-2, pp. 1037-1043, 2011, doi: 10.1007/s10948-010-0877-7.

[37] Juan Bascunan, Seungyong Hahn, Dong Keun Park, Yukikazu Iwasa, “A 1.3-GHz LTS/HTS NMR Magnet- A Progress Report,” IEEE Transactions on Applied Superconductivity, vol. 21, no. 3, pp. 2092-2095, 2011, doi: 10.1109/tasc.2010.2086995.

[36] S. Hahn, J. Bascuñán, W. Yao, Y. Iwasa, “Two HTS options for a 600MHz insert of a 1.3GHz LTS/HTS NMR magnet: YBCO and BSCCO,” Physica C: Superconductivity and its Applications, vol. 470, no. 20, pp. 1721-1726, 2010, doi: 10.1016/j.physc.2010.05.194.

[35] Seungyong Hahn, Seok Beom Kim, Min Cheol Ahn, John Voccio, Juan Bascunan, Yukikazu Iwasa, “Trapped Field Characteristics of Stacked YBCO Thin Plates for Compact NMR Magnets: Spatial Field Distribution and Temporal Stability,” IEEE Transactions on Applied Superconductivity, vol. 20, no. 3, pp. 1037-1040, 2010, doi: 10.1109/tasc.2010.2043832.

[34] N Y Kwon, H S Kim, K L Kim, S Hahn, H.-R Kim, O.-B Hyun, H M Kim, W S Kim, C Park, H G Lee, “The Effects of a Stabilizer Thickness of the YBCO Coated Conductor (CC) on the Quench/Recovery Characteristics,” IEEE Transactions on Applied Superconductivity, vol. 20, no. 3, pp. 1246-1249, 2010, doi: 10.1109/tasc.2009.2039864.

[33] Yukikazu Iwasa, Juan Bascuan, Seungyong Hahn, Masaru Tomita, Weijun Yao, “High-Temperature Superconducting Magnets for NMR and MRI: R&D Activities at the MIT Francis Bitter Magnet Laboratory,” IEEE Transactions on Applied Superconductivity, vol. 20, no. 3, pp. 718-721, 2010, doi: 10.1109/tasc.2010.2040073.

[32] Weijun Yao, Juan Bascuan, Seungyong Hahn, Yukikazu Iwasa, “${\rm MgB}_{2}$ Coils for MRI Applications,” IEEE Transactions on Applied Superconductivity, vol. 20, no. 3, pp. 756-759, 2010, doi: 10.1109/tasc.2010.2044035.

[31] SeokBeom Kim, T. Nakano, R. Takano, Seung-yong Hahn, “Study on Trapped Field Characteristics of HTS Bulk Annuli With Iron Rings for Ferromagnetic Shimming of a Compact NMR Magnet,” IEEE Transactions on Applied Superconductivity, vol. 19, no. 3, pp. 2273-2276, 2009, doi: 10.1109/tasc.2009.2019083.

[30] Seyong Choi, T. Kiyoshi, Seung-yong Hahn, M. Sugano, “Stress Analysis of a High Temperature Superconductor Coil Wound With Bi-2223/Ag Tapes for High Field HTS/LTS NMR Magnet Application,” IEEE Transactions on Applied Superconductivity, vol. 19, no. 3, pp. 2237-2240, 2009, doi: 10.1109/tasc.2009.2018071.

[29] Min Cheol Ahn, T. Yagai, Seungyong Hahn, R. Ando, J. Bascunan, Y. Iwasa, “Spatial and Temporal Variations of a Screening Current Induced Magnetic Field in a Double-Pancake HTS Insert of an LTS/HTS NMR Magnet,” IEEE Transactions on Applied Superconductivity, vol. 19, no. 3, pp. 2269-2272, 2009, doi: 10.1109/tasc.2009.2018102.

[28] Seungyong Hahn, Juan Bascuñán, Haigun Lee, Emanuel S. Bobrov, Wooseok Kim, Min Cheol Ahn, Yukikazu Iwasa, “Operation and performance analyses of 350 and 700 MHz low-/high-temperature superconductor nuclear magnetic resonance magnets: A march toward operating frequencies above 1 GHz,” Journal of Applied Physics, vol. 105, no. 2, 2009, doi: 10.1063/1.3065538.

[27] Seung-yong Hahn, Min Cheol Ahn, J. Bascunan, Weijun Yao, Y. Iwasa, “Nonlinear Behavior of a Shim Coil in an LTS/HTS NMR Magnet With an HTS Insert Comprising Double-Pancake HTS-Tape Coils,” IEEE Transactions on Applied Superconductivity, vol. 19, no. 3, pp. 2285-2288, 2009, doi: 10.1109/tasc.2009.2018809.

[26] S.B. Kim, R. Takano, T. Nakano, M. Imai, S.Y. Hahn, “Characteristics of the magnetic field distribution on compact NMR magnets using cryocooled HTS bulks,” Physica C: Superconductivity, vol. 469, no. 15-20, pp. 1811-1815, 2009, doi: 10.1016/j.physc.2009.05.161.

[25] Seung-yong Hahn, Min Cheol Ahn, E.S. Bobrov, J. Bascunan, Y. Iwasa, “An Analytical Technique to Elucidate Field Impurities From Manufacturing Uncertainties of an Double Pancake Type HTS Insert for High Field LTS/HTS NMR Magnets,” IEEE Transactions on Applied Superconductivity, vol. 19, no. 3, pp. 2281-2284, 2009, doi: 10.1109/tasc.2009.2018808.

[24] Weijun Yao, J. Bascunan, Seungyong Hahn, Y. Iwasa, “A Superconducting Joint Technique for ${\rm MgB}_{2}$ Round Wires,” IEEE Transactions on Applied Superconductivity, vol. 19, no. 3, pp. 2261-2264, 2009, doi: 10.1109/tasc.2009.2019063.

[23] Sangyeop Kwak, Myungjin Park, Wooseok Kim, Seungyong Hahn, Seungwook Lee, Jikwang Lee, Kyeongdal Choi, Jinho Han, Joonhan Bae, Seokho Kim, Kiduk Sim, Haejong Kim, Kichul Seong, Hyunkyo Jung, Songyop Hahn, “The Optimal Design of 600 kJ SMES Magnet Based on Stress and Magnetic Field Analysis,” IEEE Transactions on Applied Superconductivity, vol. 18, no. 2, pp. 713-716, 2008, doi: 10.1109/tasc.2008.922523.

[22] Seung-yong Hahn, Juan Bascunan, Woo-Seok Kim, Emanuel S. Bobrov, Haigun Lee, Yukikazu Iwasa, “Field Mapping, NMR Lineshape, and Screening Currents Induced Field Analyses for Homogeneity Improvement in LTS/HTS NMR Magnets,” IEEE Transactions on Applied Superconductivity, vol. 18, no. 2, pp. 856-859, 2008, doi: 10.1109/tasc.2008.921225.

[21] S. Hahn, J. Bascuñán, H. Lee, E. S. Bobrov, W. Kim, Y. Iwasa, “Development of a 700MHz low-/high- temperature superconductor nuclear magnetic resonance magnet: Test results and spatial homogeneity improvement,” Review of Scientific Instruments, vol. 79, no. 2, 2008, doi: 10.1063/1.2838587.

[20] Weijun Yao, Juan Bascunan, Woo-Seok Kim, Seungyong Hahn, Haigun Lee, Yukikazu Iwasa, “A Solid Nitrogen Cooled ${\hbox{MgB}}_{2}$ “Demonstration” Coil for MRI Applications,” IEEE Transactions on Applied Superconductivity, vol. 18, no. 2, pp. 912-915, 2008, doi: 10.1109/tasc.2008.920836.

[19] Myung-Jin Park, Sang-Yeop Kwak, Woo-Seok Kim, Seung-Wook Lee, Seung-Yong Hahn, Ji-Kwang Lee, Jin-Ho Han, Kyeong-Dal Choi, Hyun-Kyo Jung, Ki-Chul Seong, Song-yop Hahn, “Stress Analysis of HTS Magnet for a 600 kJ SMES,” IEEE Transactions on Applied Superconductivity, vol. 17, no. 2, pp. 1994-1997, 2007, doi: 10.1109/tasc.2007.898500.

[18] Woo-Seok Kim, Frederic Trillaud, Ing Chea Ang, Seung-yong Hahn, Yukikazu Iwasa, “Normal Zone Propagation in YBCO Winding Pack Models,” IEEE Transactions on Applied Superconductivity, vol. 17, no. 2, pp. 2478-2481, 2007, doi: 10.1109/tasc.2007.898159.

[17] Juan Bascunan, Wooseok Kim, Seungyong Hahn, Emanuel S. Bobrov, Haigun Lee, Yukikazu Iwasa, “An LTS/HTS NMR Magnet Operated in the Range 600-700 MHz,” IEEE Transactions on Applied Superconductivity, vol. 17, no. 2, pp. 1446-1449, 2007, doi: 10.1109/tasc.2007.898021.

[16] Weijun Yao, Woo-Seok Kim, Seungyong Hahn, J. Bascunan, Hai-Gun Lee, Yukikazu Iwasa, “A Digital Flux Injector Operated With a 317-MHz NMR Magnet,” IEEE Transactions on Applied Superconductivity, vol. 17, no. 2, pp. 1450-1453, 2007, doi: 10.1109/tasc.2007.898025.

[15] J. Bascunan, H. Lee, E.S. Bobrov, S. Hahn, Y. Iwasa, “A 700 MHz LTS/HTS NMR Magnet— A Status Report,” IEEE Transactions on Applied Superconductivity, vol. 16, no. 2, pp. 1531-1534, 2006, doi: 10.1109/tasc.2005.864454.

[14] J. Bascunan, H. Lee, E.S. Bobrov, S. Hahn, Y. Iwasa, “A 500 MHz/200 mm RT Bore Solid Neon Cooled<tex>$rm Nb_3rm Sn$</tex>MRI Magnet—A Status Report,” IEEE Transactions on Applied Superconductivity, vol. 16, no. 2, pp. 1535-1538, 2006, doi: 10.1109/tasc.2005.864453.

[13] J. Bascunan, H. Lee, E.S. Bobrov, S. Hahn, Y. Iwasa, M. Tomsic, M. Rindfleisch, “A 0.6 T/650 mm RT Bore Solid Nitrogen Cooled<tex>$rm MgB_2$</tex>Demonstration Coil for MRI—a Status Report,” IEEE Transactions on Applied Superconductivity, vol. 16, no. 2, pp. 1427-1430, 2006, doi: 10.1109/tasc.2005.864456.

[12] Y. Iwasa, J. Jankowski, S. Hahn, H. Lee, J. Bascunan, J. Reeves, A. Knoll, Y.-Y. Xie, V. Selvamanickam, “Stability and Quench Protection of Coated YBCO “Composite” Tape,” IEEE Transactions on Appiled Superconductivity, vol. 15, no. 2, pp. 1683-1686, 2005, doi: 10.1109/tasc.2005.849238.

[11] K. Ryu, S.D. Hwang, S.W. Kim, S. Hahn, “Influence of Tape's Critical Currents and Current Distributions on AC Loss Measurement in a Multi-Tape Conductor,” IEEE Transactions on Appiled Superconductivity, vol. 15, no. 2, pp. 1611-1614, 2005, doi: 10.1109/tasc.2005.849204.

[10] H. Lee, E.S. Bobrov, J. Bascunan, S. Hahn, Y. Iwasa, “An HTS Insert for Phase 2 of a 3-Phase 1-GHz LTS/HTS NMR Magnet,” IEEE Transactions on Appiled Superconductivity, vol. 15, no. 2, pp. 1299-1302, 2005, doi: 10.1109/tasc.2005.849575.

[9] Y. Iwasa, S. Hahn, M. Tomita, H. Lee, J. Bascunan, “A “Persistent-Mode” Magnet Comprised of YBCO Annuli,” IEEE Transactions on Appiled Superconductivity, vol. 15, no. 2, pp. 2352-2355, 2005, doi: 10.1109/tasc.2005.849664.

[8] R. Mai, S. Hahn, H. Lee, J. Bascunan, Y. Iwasa, “A Digital Flux Injector for NMR Magnets,” IEEE Transactions on Appiled Superconductivity, vol. 15, no. 2, pp. 2348-2351, 2005, doi: 10.1109/tasc.2005.849663.

[7] S.-Y. Hahn, S.-H. Kim, S.-Y. Hahn, “Trapped Field Analysis in an HTS Bulk With a Crack Using 3D Finite Element Method,” IEEE Transactions on Appiled Superconductivity, vol. 14, no. 2, pp. 634-637, 2004, doi: 10.1109/tasc.2004.830008.

[6] M. Park, M. Choi, S. Hahn, G. Cha, J. Lee, “Effect of the Stack in HTS Tapes Exposed to External Magnetic Field,” IEEE Transactions on Appiled Superconductivity, vol. 14, no. 2, pp. 1106-1109, 2004, doi: 10.1109/tasc.2004.830429.

[5] Seung-yong Hahn, Song-yop Hahn, Chang-seop Koh, “An effective hysteresis loss computation for HTS bulk material,” IEEE Transactions on Appiled Superconductivity, vol. 13, no. 2, pp. 2259-2262, 2003, doi: 10.1109/tasc.2003.813060.

[4] Seung-Yong Hahn, Woo-Seok Kim, Ji Hoon Kim, Chang-Seop Koh, Song-Yop Hahn, “Low speed FES with induction motor and generator,” IEEE Transactions on Appiled Superconductivity, vol. 12, no. 1, pp. 746-749, 2002, doi: 10.1109/tasc.2002.1018509.

[3] Ji Hoon Kim, Seung-yong Hahn, Chang Hwan Im, Jae Kwang Kim, Hyun Kyo Jung, Song-Yop Hahn, “Design of a 200-kJ HTS SMES System,” IEEE Transactions on Appiled Superconductivity, vol. 12, no. 1, pp. 774-777, 2002, doi: 10.1109/tasc.2002.1018516.

[2] Seung-yong Hahn, Sungchin Hahn, Song-yop Hahn, “Computation of levitation force in a highly magnetized HTS bulk magnet system,” International Journal of Applied Electromagnetics and Mechanics, vol. 16, no. 3-4, pp. 225-231, 2002, doi: 10.3233/jae-2002-242.

[1] Seung-Yong Hahn, Ji Hoon Kim, Chang-Seop Koh, Song-Yop Hahn, “3-D field analysis of a superconducting bulk magnet,” IEEE Transactions on Appiled Superconductivity, vol. 11, no. 1, pp. 1996-1999, 2001, doi: 10.1109/77.920245.