Electron transport in a non-magnetic nanostructure with spin-orbit interactions and δ-doping

被引：14
|
作者：
Lu, Jian-Duo [1 ]
Xu, Bin [2 ]
Peng, Shun-Jin [1 ]
机构：
[1] Wuhan Univ Sci & Technol, Hubei Prov Key Lab Syst Sci Met Proc, Wuhan 430081, Peoples R China
[2] North China Inst Water Conservancy & Hydroelect P, Dept Math & Informat Sci, Zhengzhou 450011, Peoples R China
来源：
MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING | 2014年 / 27卷
基金：
中国国家自然科学基金;
关键词：
Non-magnetic heterostructure; Spin-orbit coupling; delta-doping; Spin polarization; GAS; HETEROSTRUCTURE; POLARIZATION;
D O I：
10.1016/j.mssp.2014.08.040
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We theoretically investigate the electron transport properties in a non-magnetic nanostructure with spin-orbit interactions and the (delta-doping which can be experimentally realized by using metal-organic chemical-vapor deposition or molecular beam epitaxy. We find that the electron transmission and the spin polarization strongly depend not only on the height and the width of the barrier but also on the weight and the position of the delta-doping. These interesting phenomena may be very helpful for understanding the electron transport mechanism in a non-magnetic nanostructure and designing the delta-doping-tunable spintronic device based on the non-magnetic heterostructure. (C) 2014 Elsevier Ltd. All rights reserved.
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页码：785 / 789
页数：5
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