一个Moiré超网格诱导热交换机用于调节界面传热
Yun Dong1, Chunjie Zhang1, Yi Tao2
1School of Mechanical and Electrical Engineering, Lanzhou University of Technology, Lanzhou 730050, China.
ACS applied materials & interfaces
|August 4, 2025
概括
我们开发了一个moiré超网格热开关来控制热流. 调整扭转角度和温度可以通过控制原子应力和散射来显著改变传热效率.
科学领域:
- 材料科学 材料科学 材料科学
- 凝聚物质物理学 凝聚物质物理学
- 纳米技术 纳米技术
背景情况:
- 控制接口的热传输对于电子设备的热管理至关重要.
- 莫伊尔超级网格根据其结构提供可调节的电子和物理特性.
研究的目的:
- 为了研究使用moiré超网格热开关调节接口热导电率 (ITC).
- 了解扭转角度,温度和正常负载对ITC的影响.
主要方法:
- 使用莫雷超网格原理制造热开关.
- 在不同的扭转角度,温度和应用正常负载下测试ITC的实验测量.
主要成果:
- 接口热导电性 (ITC) 随着扭转角度的增加而显著下降.
- ITC表现出温度的非单调行为,受竞争因素的影响.
- 较高的正常负载会改变非单调ITC变化的温度值.
结论:
- 莫伊尔超级网格提供了一种新的机制,可以积极控制接口导热.
- 结构波动,原子应力和热膨胀之间的相互作用决定了传热效率.
- 这项技术有可能用于先进的热管理解决方案.
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