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Synthesis of semimetal A(3)Bi (A = Na, K) thin films by molecular beam epitaxy
J.; Guo Wen, H.; Yan, C. H.; Wang, Z. Y.; Chang, K.; Deng, P.; Zhang, T.; Zhang, Z. D.; Ji, S. H.; Wang, L. L.; He, K.; Ma, X. C.; Chen, X.; Xue, Q. K.
2015
Source PublicationApplied Surface Science
ISSN0169-4332
Volume327Pages:213-217
AbstractThree-dimensional (3D) Dirac cones are predicted to reside in semimetals A(3)Bi (A = Na, K). By using molecular beam epitaxy (MBE) and scanning tunneling microscopy (STM), we have successfully established the growth conditions for Na3Bi thin films on Si(1 1 1)-7 x 7, and determined that the lattice of Na3Bi is rotated by 30 degree with respect to that of Si(1 1 1)-7 x 7. The Na3Bi/Si( 1 1 1)-7 x 7 thin film was further used as the substrate for the growth of K3Bi. The 3D Dirac-cone-like electronic band structures of Na3Bi and K3Bi have been clearly revealed by angle resolved photoelectron spectroscopy (ARPES). (C) 2014 Elsevier B.V. All rights reserved.
description.department[wen, jing ; guo, hua ; yan, chen-hui ; wang, zhen-yu ; chang, kai ; 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. ; wen, j (reprint author), tsinghua univ, dept phys, state key lab low dimens quantum phys, beijing 100084, peoples r china. ; wenj07@126.com
KeywordNa3bi K3bi Stm Arpes Mbe 3-dimensional Topological Insulator Single Dirac Cone Electronic-structure Graphene Bi2te3 Phase Surface Bi2se3 Limit
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Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/73973
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
J.,Guo Wen, H.,Yan, C. H.,et al. Synthesis of semimetal A(3)Bi (A = Na, K) thin films by molecular beam epitaxy[J]. Applied Surface Science,2015,327:213-217.
APA J..,Guo Wen, H..,Yan, C. H..,Wang, Z. Y..,Chang, K..,...&Xue, Q. K..(2015).Synthesis of semimetal A(3)Bi (A = Na, K) thin films by molecular beam epitaxy.Applied Surface Science,327,213-217.
MLA J.,et al."Synthesis of semimetal A(3)Bi (A = Na, K) thin films by molecular beam epitaxy".Applied Surface Science 327(2015):213-217.
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