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Broken mirror symmetry tuned topological transport in PbTe/SnTe heterostructures
Wei, Feng1,2; Liu, Chieh-Wen3; Li, Da1; Wang, Chun-Yang1,2; Zhang, Hong-Rui2,4; Sun, Ji-Rong4; Gao, Xuan P. A.3; Ma, Song1; Zhang, Zhidong1
Corresponding AuthorGao, Xuan P. A.(xuan.gao@case.edu)
2018-10-09
Source PublicationPHYSICAL REVIEW B
ISSN2469-9950
Volume98Issue:16Pages:6
AbstractThe tunability of topological surface states and the controllable opening of the Dirac gap are two keys for the study of topological crystalline insulators (TCIs). By constructing PbTe/SnTe heterostructures, we discover giant linear magnetoresistance (GLMR) (2150% under a magnetic field of 14 T at 2 K) and strong metallic behavior that are likely induced by Dirac fermions with a high carrier mobility. By decreasing the hole density in SnTe, a much weaker metallic behavior and two-dimensional weak antilocalization are exhibited in PbTe/SnTe heterostructures. This striking transport difference is attributed to the cubic-rhombohedral structural phase transition in SnTe and broken mirror symmetry effect. The revelation of lattice structural distortion and mirror symmetry breaking in a PbTe/SnTe heterostructure's transport properties is very significant to the fundamental research in topological matter, magnetoelectronics, and spintronics.
Funding OrganizationNatural Science Foundation of China (NSFC) ; National Key R&D Program of China ; NSF
DOI10.1103/PhysRevB.98.161301
Indexed BySCI
Language英语
Funding ProjectNatural Science Foundation of China (NSFC)[51571195] ; Natural Science Foundation of China (NSFC)[51331006] ; Natural Science Foundation of China (NSFC)[51590883] ; National Key R&D Program of China[2017YFA0206301] ; NSF[DMR-1607631]
WOS Research AreaMaterials Science ; Physics
WOS SubjectMaterials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
WOS IDWOS:000446903500003
PublisherAMER PHYSICAL SOC
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/129873
Collection中国科学院金属研究所
Corresponding AuthorGao, Xuan P. A.
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Case Western Reserve Univ, Dept Phys, 2076 Adelbert Rd, Cleveland, OH 44106 USA
4.Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Wei, Feng,Liu, Chieh-Wen,Li, Da,et al. Broken mirror symmetry tuned topological transport in PbTe/SnTe heterostructures[J]. PHYSICAL REVIEW B,2018,98(16):6.
APA Wei, Feng.,Liu, Chieh-Wen.,Li, Da.,Wang, Chun-Yang.,Zhang, Hong-Rui.,...&Zhang, Zhidong.(2018).Broken mirror symmetry tuned topological transport in PbTe/SnTe heterostructures.PHYSICAL REVIEW B,98(16),6.
MLA Wei, Feng,et al."Broken mirror symmetry tuned topological transport in PbTe/SnTe heterostructures".PHYSICAL REVIEW B 98.16(2018):6.
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