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

被引：22

作者：

Moreschini, L. ^{[1
]}

Autes, G. ^{[2
]}

Crepaldi, A. ^{[3
]}

Moser, S. ^{[1
,3
]}

Johannsen, J. C. ^{[3
]}

Kim, K. S. ^{[1
,4
,5
]}

Berger, H. ^{[3
]}

Bugnon, Ph. ^{[3
]}

Magrez, A. ^{[3
]}

Denlinger, J. ^{[1
]}

Rotenberg, E. ^{[1
]}

Bostwick, A. ^{[1
]}

Yazyev, O. V. ^{[2
]}

Grioni, M. ^{[3
]}

机构：

[1] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, ALS, Berkeley, CA 94720 USA

[2] Ecole Polytech Fed Lausanne, Inst Theoret Phys, CH-1015 Lausanne, Switzerland

[3] Ecole Polytech Fed Lausanne, Inst Condensed Matter Phys, CH-1015 Lausanne, Switzerland

[4] Pohang Univ Sci & Technol, Dept Phys, Pohang 790784, South Korea

[5] Inst for Basic Sci Korea, Ctr Artificial Low Dimens Elect Syst, Pohang 790784, South Korea

来源：

JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA | 2015年 / 201卷

关键词：

Rashba states; Spin-orbit splitting; Tellurohalides; Angle-resolved photoemission;

D O I：

10.1016/j.elspec.2014.11.004

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

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. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：115 / 120

页数：6

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