Transport properties of Sb2Te3/Bi2Te3 topological insulator heterostructures

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	Transport properties of Sb2Te3/Bi2Te3 topological insulator heterostructures
	Zhang, ZC ; Feng, X ; Guo, MH ; Ou, YB ; Zhang, JS ; Li, K ; Wang, LL ; Chen, X ; Xue, QK ; Ma, XC ; He, K ; Wang, YY
刊名	PHYSICA STATUS SOLIDI-RAPID RESEARCH LETTERS
	2013
卷号	7 期号:1-2 页码:142
关键词	topological insulators heterostructures surface states transport
ISSN号	1862-6254
通讯作者	He, K (reprint author), Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China.
中文摘要	We report transport studies on Sb2Te3/Bi2Te3 topological insulator heterostructures grown by molecular beam epitaxy. Two devices with different Sb2Te3 thickness are fabricated and investigated. Under certain gate voltage, the Hall resistance exhibits strongly nonlinear behaviour and changes sign with increasing magnetic field, indicating the coexistence of electron- and hole-type charge carriers on the opposite surfaces of the heterostructure. Gate-tuned magnetoresistance measurements reveal the same phenomenon. This work paves the road for realizing the proposed exotic quantum phenomena that require opposite polarity of the surface Dirac fermions in topological insulator based structures. (C) 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
资助信息	National Natural Science Foundation of China; MOST of China; Chinese Academy of Sciences
语种	英语
公开日期	2014-01-17
内容类型	期刊论文
源URL	[http://ir.iphy.ac.cn/handle/311004/57623]
专题	物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文
推荐引用方式 GB/T 7714	Zhang, ZC,Feng, X,Guo, MH,et al. Transport properties of Sb2Te3/Bi2Te3 topological insulator heterostructures[J]. PHYSICA STATUS SOLIDI-RAPID RESEARCH LETTERS,2013,7(1-2):142.
APA	Zhang, ZC.,Feng, X.,Guo, MH.,Ou, YB.,Zhang, JS.,...&Wang, YY.(2013).Transport properties of Sb2Te3/Bi2Te3 topological insulator heterostructures.PHYSICA STATUS SOLIDI-RAPID RESEARCH LETTERS,7(1-2),142.
MLA	Zhang, ZC,et al."Transport properties of Sb2Te3/Bi2Te3 topological insulator heterostructures".PHYSICA STATUS SOLIDI-RAPID RESEARCH LETTERS 7.1-2(2013):142.