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在Cr-doped蓝色二烯的旋转依赖热电传输特性

H L Shi¹, J Yang², Q Z Han³

¹School of Physics, Beijing Institute of Technology, Beijing 100081, People's Republic of China.

|June 13, 2023

概括

添加的蓝色二烯表现出有希望的热电特性,旋转极化增强了性能. 这种材料显示出先进的热电和自旋热力电子应用的潜力.

科学领域:

凝聚物质物理学凝聚物质物理学
材料科学材料科学材料科学
纳米技术纳米技术

背景情况:

蓝色素 (blue-P) 是一个有前途的二维材料.
热电 (TE) 材料将热转化为电,反之亦然.
旋转热力电子探索热量和旋转传输.

研究的目的:

研究Cr-doped蓝色二烯的热电特性.
分析Cr兴奋剂度和方向对TE性能的影响.
探索热电学和旋转热力电子学的潜在应用.

主要方法:

模拟材料属性的第一原则计算.
系统地调查电子带结构和传输特性.
分析塞贝克系数,电子和热导电,以及功率图 (ZT).

主要成果:

-兴奋剂诱导蓝-P的带结构中的旋转极化,可以通过度调节.
热电性质 (Seebeck系数,导电率,ZT) 取决于传输方向和兴奋剂.
观察到充电和旋转ZT的明显峰值;在300K达到高ZT值,在较低的温度下得到增强.

结论:

化蓝是一种多功能,高性能的热电材料.
在热电学和自旋热电子学中都有潜在的应用.
可调的旋转极化电子结构提供了独特的优势.

关键词:

蓝色二烯是一种蓝色二烯.纳米带是一种纳米带.热电运输是一种热电运输.

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