Electron transport with tunable ferromagnetic barriers on the surface of topological insulators

被引：14
|
作者：
Zhang, J. P. [1 ]
Yuan, J. H. [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Sch Phys, Wuhan 430074, Peoples R China
来源：
EUROPEAN PHYSICAL JOURNAL B | 2012年 / 85卷 / 03期
基金：
中国国家自然科学基金;
关键词：
SPIN; MAGNETORESISTANCE;
D O I：
10.1140/epjb/e2012-20544-2
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
In this paper, we investigate the transport properties of electrons on the surface of topological insulators with tuneable external ferromagnetic barriers. It is confirmed that the transport properties of electrons can be greatly affected by the magnitude (or the direction) of the magnetisation and the gate voltage. Some electronically or magnetically controlled devices may be constructed based on our research.
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页数：6
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