可调整的依赖于奇拉性的非线性电响应在2D Tellurium 中
Chang Niu1,2, Gang Qiu1,2, Yixiu Wang3
1Elmore Family School of Electrical and Computer Engineering, Purdue University, West Lafayette, Indiana 47907, United States.
Nano letters
|September 7, 2023
概括
螺旋式二维 (2D) (Te) 呈现出独特的非线性电反应. 奇拉性影响电子传输,为使用自旋轨道合和晶体对称的新型电子设备铺平了道路.
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:
- (Te) 是一种元素半导体,具有固有的性.
- 通过溶液方法合成的二维 (2D) Te 具有非凡的特性.
- 状晶体结构提供了独特的电子行为.
研究的目的:
- 为了识别和分析水热培养的2D Te.的chirality.
- 为了研究2D Te. chiral中的非线性电响应.
- 探索奇拉性,旋转轨道合和电子运输之间的关系.
主要方法:
- 热硫酸蚀刻用于奇拉性分析.
- 高角度倾斜的高分辨率扫描传输电子显微镜 (HRSTEM).
- 磁场应用以观察电传输现象.
主要成果:
- 在2D Te.中观察到的门调节的非线性电响应.
- 检测到非互惠的纵向传输和非线性平面霍尔效应.
- 左手和右手2D Te中非线性电反应的相反迹象,与旋转极化有关.
结论:
- 2D Te 中的状对称性决定了相反的旋转极化.
- 旋转轨道合和晶体对称性在反体中基本相关.
- 奇拉2D Te为基于奇拉的电子设备提供了一个平台.
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