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Magneto-thermal switching (MTS) is a key technology for efficient thermal management. Recently, large MTS with nonvolatility has been observed in Sn-Pb solders where phase separation, the different superconducting transition temperatures (Tc) of Sn and Pb, and magnetic-flux trapping are the causes of the nonvolatile MTS. To further understand the mechanism and to obtain the strategy for enhancing switching ratio, exploration of new phase-separated superconductors with nonvolatile MTS is needed. Here, we show that the In52Sn48 commercial solder is a phase-separated superconducting composite with two Tc and traps vortices after field cooling.

権利情報:

• Creative Commons BY Attribution 4.0 International
  

キーワード: Magneto-thermal switching, thermal management, superconducting composites

刊行年月日: 2025-03-01

出版者: IOP Publishing

掲載誌:

• Applied Physics Express (ISSN: 18820778) vol. 18 issue. 3 033001

研究助成金:

• JST-ERATO JPMJER2201

原稿種別: 出版者版 (Version of record)

MDR DOI:

公開URL: https://doi.org/10.35848/1882-0786/adb6ee

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更新時刻: 2025-03-13 08:30:17 +0900

MDRでの公開時刻: 2025-03-13 08:30:17 +0900