| Review of Thin-Film Materials with High Thermal Conductivity and Low Electrical Conductivity for High-Temperature Superconductor Applications |
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Geulha Kim, Jaemin Yang, Jung-Woo Lee |
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Department of Materials Science and Engineering, Hongik University, Sejong, Korea |
| 고온 초전도체 응용을 위한 높은 열전도율 및 낮은 전기전도성 박막 재료 연구 |
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김글하, 양재민, 이정우 |
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홍익대학교 나노신소재학과 |
Correspondence:
Jung-Woo Lee,
Email: jungwoo@hongik.ac.kr
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Received: 25 March 2025 • Accepted: 27 May 2025 |
| Abstract |
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Thin-film materials with high thermal conductivity and low electrical conductivity are essential for high-temperature superconducting applications. Superconducting coils require electrical insulation to ensure stable current flow, while quench events demand efficient heat dissipation to prevent damage. This review examines protective thin films, including Al2O3, BeO, SiC, and AlN (Aluminium Nitride), emphasizing their thermal properties and the impact of deposition techniques on performance. AlN emerges as a particularly promising material due to its superior thermal conductivity, even in the amorphous phase. Future research directions are proposed to optimize deposition conditions and enhance the functionality of these materials in superconducting systems. |
| Key Words:
AlN, High thermal conductivity, Low electrical conductivity, Superconducting wire |
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