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基于Bi₂Te₃的模块的极低接触电阻,由基于NiP的合金屏障启用

Erbiao Min^1,2, Yifeng Ling², Linghao Zhao²

¹School of Mechanical and Electrical Engineering, Guilin University of Electronic Technology, Guilin 541004, China.

ACS applied materials & interfaces

|December 5, 2023

概括

一种新的NiP合金屏障通过提高与n型比斯木 telluride的兼容性来增强热电冷却设备. 这种优越的热稳定性和较低的接触电阻使得土化模块的冷却性能更高.

科学领域:

材料科学材料科学材料科学
固态物理固态物理
热电学是一种热电学.

背景情况:

电极扩散屏障对于热电冷却 (TEC) 装置的性能至关重要.
商业 (Ni) 屏障与n型Bi₂Te_2.7Se_0.3的兼容性较差,限制了TEC设备的增强.
接口接触电阻性和热稳定性是基于Bi₂Te₃的TEC的主要挑战.

研究的目的:

开发和研究一个NiP合金作为一个改进的电极扩散屏障为n型Bi₂Te_2.7Se_0.3.
系统地分析NiP屏障的接触和界面动态特性.
评估使用NiP屏障的TEC设备的性能提升.

主要方法:

NiP合金扩散屏障的制造和表征.
对Bi₂Te_2.7Se_0.3/NiP接口的接口接触电阻的测量.
在高温 (423 K) 下进行热老化试验,以评估稳定性.
制造和性能测试一个15对 bismuth telluride TEC装置.

主要成果:

NiP合金屏障具有0.90μΩ cm2的初始界面接触电阻.
接触电阻在423K老化35天后仍然低于1.98μΩcm2,显示出优越的热稳定性.
使用NiP屏障的15对木 telluride TEC装置在304K时实现了71.5K的冷却温度差异.

结论:

与商业Ni相比,NiP合金屏障显著提高了与n型Bi2Te2.7Se0.3的兼容性.
NiP屏障的优越热稳定性和低接触电阻对于提高TEC性能至关重要.
NiP屏障显示出在基于先进的Bi₂Te₃的热电冷却模块中具有强大的实际应用潜力.

关键词:

在Bi2Te3设备中.在IMC中,IMC是IMC.接触电阻接触电阻接触电阻没有电的NiP.热稳定性的热稳定性

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