Topology-Driven Magnetic Quantum Phase Transition in Topological Insulators

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	Topology-Driven Magnetic Quantum Phase Transition in Topological Insulators
	Zhang, JS ; Chang, CZ ; Tang, PZ ; Zhang, ZC ; Feng, X ; Li, K ; Wang, LL ; Chen, X ; Liu, CX ; Duan, WH ; He, K ; Xue, QK ; Ma, XC ; Wang, YY
刊名	SCIENCE
	2013
卷号	339 期号:6127 页码:1582
ISSN号	0036-8075
通讯作者	He, K (reprint author), Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China.
中文摘要	The breaking of time reversal symmetry in topological insulators may create previously unknown quantum effects. We observed a magnetic quantum phase transition in Cr-doped Bi-2(SexTe1-x)(3) topological insulator films grown by means of molecular beam epitaxy. Across the critical point, a topological quantum phase transition is revealed through both angle-resolved photoemission measurements and density functional theory calculations. We present strong evidence that the bulk band topology is the fundamental driving force for the magnetic quantum phase transition. The tunable topological and magnetic properties in this system are well suited for realizing the exotic topological quantum phenomena in magnetic topological insulators.
资助信息	Natural Science Foundation; Ministry of Science and Technology 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/311004/57614]
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, JS,Chang, CZ,Tang, PZ,et al. Topology-Driven Magnetic Quantum Phase Transition in Topological Insulators[J]. SCIENCE,2013,339(6127):1582.
APA	Zhang, JS.,Chang, CZ.,Tang, PZ.,Zhang, ZC.,Feng, X.,...&Wang, YY.(2013).Topology-Driven Magnetic Quantum Phase Transition in Topological Insulators.SCIENCE,339(6127),1582.
MLA	Zhang, JS,et al."Topology-Driven Magnetic Quantum Phase Transition in Topological Insulators".SCIENCE 339.6127(2013):1582.