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Thermal rectification in jointless Pb solid wire

delete2025-12-17
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OA
AI
M
Masayuki Mashiko
P
Poonam Rani
Y
Yuto Watanabe
Y
Yoshikazu Mizuguchi *
DOI:10.1088/2515-7639/ae24afdelete
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摘要

摘要

En 中文
在磁场下,无接头Pb线在接近Pb超导转变温度时观察到热整流现象。利用磁场(H)对热导率(κ–T)温度依赖性的不同响应,在H//J和H⊥J条件下(其中J为热流),我们制备了无接头热二极管。观察到热整流现象,热整流比(TRR)为1.5,热导率差异为330 W m⁻¹ K⁻¹,条件为T = 5.11 K、H = 400 Oe,针对具有50%-弯曲(H⊥J)和50%-直(H//J)结构的Pb线。TRR的峰值温度可通过施加磁场的强度进行调节。通过将弯曲比改变为40%-弯曲,观察到超过2的更高TRR。Pb无接头热二极管将是用于低温热管理的有用材料。

期刊

J
journal of physics: materials
IF:
0
论文数:
42
被引数:
0

机构

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