Inertness and degradation of (0001) surface of Bi2Se3 topological insulator | Zendy

V. A. Golyashov | Zendy; К. А. Кох | Zendy; S. V. Makarenko | Zendy; Konstantin Romanyuk | Zendy; Igor P. Prosvirin | Zendy; А. В. Калинкин | Zendy; О. Е. Терещенко | Zendy; A. S. Kozhukhov | Zendy; D. V. Sheglov | Zendy; С. В. Еремеев | Zendy; С. Д. Борисова | Zendy; Е. В. Чулков | Zendy

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Inertness and degradation of (0001) surface of Bi2Se3 topological insulator

Author(s) -

V. A. Golyashov,

К. А. Кох,

S. V. Makarenko,

Konstantin Romanyuk,

Igor P. Prosvirin,

А. В. Калинкин,

О. Е. Терещенко,

A. S. Kozhukhov,

D. V. Sheglov,

С. В. Еремеев,

С. Д. Борисова,

Е. В. Чулков

Publication year - 2012

Publication title -

journal of applied physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.699

H-Index - 319

eISSN - 1089-7550

pISSN - 0021-8979

DOI - 10.1063/1.4767458

Subject(s) - bismuth , x ray photoelectron spectroscopy , scanning tunneling microscope , topological insulator , ab initio quantum chemistry methods , adsorption , vacancy defect , ab initio , density functional theory , single crystal , materials science , crystallography , chemistry , computational chemistry , nanotechnology , chemical engineering , molecule , condensed matter physics , metallurgy , physics , organic chemistry , engineering

et al.Inertness of the cleaved (0001) surface of theBi 2 Se 3 single crystal, grown by modified Bridgman method, to oxidation has been demonstrated by X-ray photoelectron spectroscopy, scanning tunneling microscopy, and by ab initio DFT calculations. No intrinsic bismuth and selenium oxides are formed on the low-defect, atomically flatBi 2 Se 3 (0001)−(1×1) surface after a long-time air exposure. The inertness ofBi 2 Se 3 (0001) toO 2 andNO 2 , as well as bismuth-oxygen bonding formation under molecular adsorption in the Se vacancy was supported by DFT calculations. © 2012 American Institute of Physics.The present work was partly supported by the Russian Foundation for Basic Research (12-02-00226) and Russian Science Support Foundation. We acknowledge partial support by the University of the Basque Country (Project GVUPV/EHU, Grant IT-366-07) and Ministerio de Ciencia e Inovación (Grant FIS2010-19609-C02-00).Peer Reviewe

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