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投稿e-mail: jbnuns_sub@bnu.edu.cn

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标题

自旋轨道耦合与自旋霍尔效应

作者

张跃林; 张金星

机构

北京师范大学物理学系

摘要

从巨磁阻效应正式拉开自旋电子学的序幕开始,如何控制和操纵电子的自旋自由度在学术界和工业界掀起了巨大的研究浪潮,如何产生并测量自旋流也是自旋电子学面临的重大挑战。自旋轨道耦合为自旋电子学提供了利用全电学来控制自旋的物理基础,由自旋轨道耦合引起的自旋霍尔效应则为自旋电子学提供了产生较大纯自旋流的方法。本文从1879年Edwin Hall发现的那个迷人的效应谈起,同时从自旋轨道耦合的起源来认识自旋霍尔效应,进一步探讨了如何利用其逆效应来探测自旋霍尔效应及自旋流,并简单总结了与自旋霍尔效应相关的部分新效应及新应用。

关键词

自旋电子学; 自旋轨道耦合; 自旋霍尔效应

引用

张跃林 张金星. 自旋轨道耦合与自旋霍尔效应.[J]. 北京师范大学学报(自然科学版),2016,52(6):781-789.

基金

国家自然科学基金资助项目(11274045)

分类号

O473

DOI

10.16360/j.cnki.jbnuns.2016.06.16

Title

Spin Orbit Coupling and Spin Hall Effect

Author

ZHANG Yuelin; ZHANG Jinxing

Affiliations

Department of Physics,Beijing Normal University

Abstract

Since spintronics was formally started by giant magnetoresistance effect, how to control and manipulate spin degree of freedom has induced a giant wave of research in both academia and industry, and how to generate and measure spin current is a huge challenge in spintronics. Fortunately, spin orbit coupling offers certain physics basis which fully controls spin by electricity, spin-hall effect induced by spin orbit coupling can generate giant spin current. In the present paper, the charming effect found by Edwin Hall in 1879 is discussed; attempts are made to understand spin hall effect through the origin of spin orbit coupling. How to measure spin hall effect itself and spin current by its inverse effect is discussed. Finally several new effects and applications relative to spin-hall effect are briefly introduced.

Key words

Spintronics; spin orbit coupling; spin-hall effect

cite

ZHANG Yuelin ZHANG Jinxing. Spin Orbit Coupling and Spin Hall Effect [J]. Journal of Beijing Normal University (Natural Science), 2016,52(6):781-789.

DOI

10.16360/j.cnki.jbnuns.2016.06.16

Copyright © 2014 Journal of Beijing Normal University (Natural Science)
Designed by Mr. Sun Chumin. Email: cmsun@mail.bnu.edu.cn