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Bulk and surface band structure of the new family of semiconductors BiTeX (X=I, Br, Cl)

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Title
Bulk and surface band structure of the new family of semiconductors BiTeX (X=I, Br, Cl)
Author(s)
Moreschini L.; Autes G.; Crepaldi A.; Moser S.; Johannsen J.C.; K.S. Kim; Berger H.; Bugnon P.; Magrez A.; Denlinger J.; Rotenberg E.; Bostwick A.; Yazyev O.V.; Grioni M.
Publication Date
2015-05
Journal
JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA, v.201, no., pp.115 - 120
Publisher
ELSEVIER SCIENCE BV
Abstract
We present an overview of the new family of semiconductors BiTeX (X = I, Br, Cl) from the perspective of angle resolved photoemission spectroscopy. The strong band bending occurring at the surface potentially endows them with a large flexibility, as they are capable of hosting both hole and electron conduction, and can be modified by inclusion or adsorption of foreign atoms. In addition, their trigonal crystal structure lacks a center of symmetry and allows for both bulk and surface spin-split bands at the Fermi level. We elucidate analogies and differences among the three materials, also in the light of recent theoretical and experimental work. ©2014 Elsevier B.V. All rights reserved
URI
https://pr.ibs.re.kr/handle/8788114/1673
ISSN
0368-2048
Appears in Collections:
Center for Artificial Low Dimensional Electronic Systems(원자제어 저차원 전자계 연구단) > Journal Papers (저널논문)
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