曲折齐格扎格的烯纳米丝带的spintronic性能:机械变形和门电压的影响
1Department of Physics, University of Kashan, Kashan, 87317-53153, Iran. rfarghadan@kashanu.ac.ir.
Physical chemistry chemical physics : PCCP
|October 23, 2024
概括
这项研究表明,曲齐格扎格的烯纳米丝带 (ZPNRs) 具有可调节的旋转特征. 机械曲和门电压显著提高了用于先进设备应用的旋转分裂和旋转电流.
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:
- 通过利用电子自旋,Spintronics提供了先进的电子功能.
- 烯纳米带 (PNRs) 显示出对自旋电子设备的前景.
- 机械变形是一种新兴的调整材料性能的方法.
研究的目的:
- 为了研究在平面内曲的齐格扎格色烯纳米丝带 (ZPNRs) 的旋转性质.
- 探索机械变形 (曲率) 和门电压对旋转依赖运输的影响.
- 评估曲ZPNRs对于未来的自旋电子应用的潜力.
主要方法:
- 使用ZPNR (23.4 nm通道长度) 曲成圆弧的设备制造.
- 理论研究自旋依赖性质:状态密度,传导系数和自旋西贝克系数 (SSC).
- 对曲参数和门电压对自旋电子特性影响的分析.
主要成果:
- 曲的ZPNR表现出一个旋转半导体相和可调的旋转分裂.
- 增加的曲参数显著提高了旋转分裂,达到SSC值高达1.35 mV K-1.
- 门电压的应用进一步提高了旋转极化和旋转电流.
结论:
- 机械变形和门电压是控制曲ZPNR中自旋特性的有效工具.
- 曲的ZPNR显示出开发新型自旋电子设备的巨大潜力.
- 这项研究突出了在低维材料中基于旋转的工程功能的新途径.
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