Magneto-thermal-switching properties of superconducting Nb

被引：9

作者：

Yoshida, Miku ^{[1
]}

Kasem, Md. Riad ^{[1
]}

Yamashita, Aichi ^{[1
]}

Uchida, Ken-ichi ^{[2
]}

Mizuguchi, Yoshikazu ^{[1
]}

机构：

[1] Tokyo Metropolitan Univ, Dept Phys, Hachioji, Tokyo 1920397, Japan

[2] Natl Inst Mat Sci, Tsukuba, Ibaraki 3050047, Japan

来源：

APPLIED PHYSICS EXPRESS | 2023年 / 16卷 / 03期

关键词：

thermal conductivity; magneto-thermal switching; superconductor; niobium; magnetic fields; CONDUCTIVITY; STATE;

D O I：

10.35848/1882-0786/acc3dd

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Recently, thermal switching has been extensively studied because it is a key component for thermal management in electronic devices. Here, we show a huge magneto-thermal-switching ratio (MTSR) in pure Nb at temperatures lower than its superconducting transition temperature (T (c) = 9.2 K). The MTSR increases with decreasing temperature, and an MTSR of 650% was observed at T = 2.5 K under H = 4.0 kOe. Thermal switching in superconductors with a huge MTSR will be useful for the improvement of the performance of low-temperature electronic devices.

引用

页数：3

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