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Strain-driven onset of nontrivial topological insulating states in Zintl Sr2X compounds (X = Pb, Sn)
Sun, Yan1; Chen, Xing-Qiu1; Franchini, Cesare1,2; Li, Dianzhong1; Yunoki, Seiji3,4,5; Li, Yiyi1; Fang, Zhong6
Corresponding AuthorChen, Xing-Qiu(xingqiu.chen@imr.ac.cn)
2011-10-25
Source PublicationPHYSICAL REVIEW B
ISSN1098-0121
Volume84Issue:16Pages:5
AbstractWe explore the topological behavior of the binary Zintl phase of the alkaline-earth-metal-based compounds Sr2Pb and Sr2Sn using both standard and hybrid density functional theory. It is found that Sr2Pb lies on the verge of a topological instability which can be suitably tuned through the application of a small uniaxial expansion strain (>3%). The resulting nontrivial topologically insulating state displays well-defined metallic states in the Sr2Pb(010) surface, whose evolution is studied as a function of the film thickness.
Funding OrganizationChinese Academy of Sciences ; NSFC of China ; Supercomputing Center of the Chinese Academy of Sciences ; 973 program of China ; HPC cluster in the Materials Process Simulation Division, IMR
DOI10.1103/PhysRevB.84.165127
Indexed BySCI
Language英语
Funding ProjectChinese Academy of Sciences ; NSFC of China[51074151] ; NSFC of China[51174188] ; NSFC of China[51050110444] ; Supercomputing Center of the Chinese Academy of Sciences ; 973 program of China[2007CB925000] ; HPC cluster in the Materials Process Simulation Division, IMR
WOS Research AreaPhysics
WOS SubjectPhysics, Condensed Matter
WOS IDWOS:000296855400005
PublisherAMER PHYSICAL SOC
Citation statistics
Cited Times:26[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/104565
Collection中国科学院金属研究所
Corresponding AuthorChen, Xing-Qiu
Affiliation1.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Peoples R China
2.Univ Vienna, Ctr Computat Mat Sci, A-1090 Vienna, Austria
3.RIKEN ASI, Computat Condensed Matter Phys Lab, Wako, Saitama 3510198, Japan
4.Japan Sci & Technol Agcy JST, CREST, Kawaguchi, Saitama 3320012, Japan
5.RIKEN AICS, Computat Mat Sci Res Team, Wako, Hyogo 6500047, Japan
6.Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Inst Phys, Beijing 100081, Peoples R China
Recommended Citation
GB/T 7714
Sun, Yan,Chen, Xing-Qiu,Franchini, Cesare,et al. Strain-driven onset of nontrivial topological insulating states in Zintl Sr2X compounds (X = Pb, Sn)[J]. PHYSICAL REVIEW B,2011,84(16):5.
APA Sun, Yan.,Chen, Xing-Qiu.,Franchini, Cesare.,Li, Dianzhong.,Yunoki, Seiji.,...&Fang, Zhong.(2011).Strain-driven onset of nontrivial topological insulating states in Zintl Sr2X compounds (X = Pb, Sn).PHYSICAL REVIEW B,84(16),5.
MLA Sun, Yan,et al."Strain-driven onset of nontrivial topological insulating states in Zintl Sr2X compounds (X = Pb, Sn)".PHYSICAL REVIEW B 84.16(2011):5.
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