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ID 30708
file
creator
Kuroda, Kenta
Arita, Masashi
Ye, Mao
Jiang, Jian
Krasovskii, E. E
Chulkov, E. V
Ueda, Yoshifumi
NDC
Physics
abstract
A hexagonal deformation of the Fermi surface of Bi2Se3 has been for the first time observed by angle-resolved photoemission spectroscopy. This is in contrast to the general belief that Bi2Se3 possesses an ideal Dirac cone. The hexagonal shape is found to disappear near the Dirac node, which would protect the surface state electrons from backscattering. It is also demonstrated that the Fermi energy of naturally electron-doped Bi2Se3 can be tuned by 1% Mg doping in order to realize the quantum topological transport.
journal title
Physical Review Letters
volume
Volume 105
issue
Issue 7
start page
076802-1
end page
076802-4
date of issued
2010-08-10
publisher
The American Physical Society
issn
0031-9007
ncid
publisher doi
language
eng
nii type
Journal Article
HU type
Journal Articles
DCMI type
text
format
application/pdf
text version
publisher
rights
Copyright (c) 2010 The American Physical Society
relation url
department
Graduate School of Science