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Semimetal Na3Bi Thin Film Grown on Double-Layer Graphene by Molecular Beam Epitaxy
J. Wen; H. Guo; C. H. Yan; Z. Y. Wang; K. Chang; P. Deng; T. Zhang; Z. D. Zhang; S. H. Ji; L. L. Wang; K. He; X. C. Ma; X. Chen; Q. K. Xue
2014
Source PublicationChinese Physics Letters
ISSN0256-307X
Volume31Issue:11
AbstractAtomically flat thin films of topological semimetal Na3Bi are grown on double-layer graphene formed on 6H-SiC(0001) substrates by molecular beam epitaxy. By combined techniques of molecular beam epitaxy, scanning tunneling microscopy and angle resolved photoelectron spectroscopy, the growth conditions for Na3Bi thin films on double-layer graphene are successfully established. The band structure of Na3Bi grown on graphene is mapped along (Gamma) over bar-(M) over bar and (Gamma) over bar-(K) over bar directions. Furthermore, the energy band of Na3Bi at higher energy is uncovered by doping Cs atoms on the surface.
description.department[wen jing ; guo hua ; yan chen-hui ; wang zhen-yu ; deng peng ; zhang teng ; ji shuai-hua ; chen xi ; xue qi-kun] tsinghua univ, dept phys, state key lab low dimens quantum phys, beijing 100084, peoples r china. [yan chen-hui ; zhang zhi-dong] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. [wang li-li ; he ke ; ma xu-cun] chinese acad sci, inst phys, beijing 100190, peoples r china. ; xue, qk (reprint author), tsinghua univ, dept phys, state key lab low dimens quantum phys, beijing 100084, peoples r china. ; qkxue@mail.tsinghua.edu.cn
Keyword3-dimensional Topological Insulator Single Dirac Cone Electronic-structure Bi2te3 Surface Bi2se3 Limit
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/73440
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
J. Wen,H. Guo,C. H. Yan,et al. Semimetal Na3Bi Thin Film Grown on Double-Layer Graphene by Molecular Beam Epitaxy[J]. Chinese Physics Letters,2014,31(11).
APA J. Wen.,H. Guo.,C. H. Yan.,Z. Y. Wang.,K. Chang.,...&Q. K. Xue.(2014).Semimetal Na3Bi Thin Film Grown on Double-Layer Graphene by Molecular Beam Epitaxy.Chinese Physics Letters,31(11).
MLA J. Wen,et al."Semimetal Na3Bi Thin Film Grown on Double-Layer Graphene by Molecular Beam Epitaxy".Chinese Physics Letters 31.11(2014).
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