Atomic geometry and electron structure of the GaTe$(10\overline{2})$ surface

Atomic geometry and electron structure of the GaTe $(10 \bar{2})$ surface

L. V. Yashina, R. Püttner, A. A. Volykhov, P. Stojanov, J. Riley, S. Yu. Vassiliev, A. N. Chaika, S. N. Dedyulin, M. E. Tamm, D. V. Vyalikh, and A. I. Belogorokhov

Phys. Rev. B 85, 075409 – Published 13 February 2012

Abstract

The natural cleavage plane $(10 \bar{2})$ of a layered compound GaTe possesses unique properties due to high in-plain anisotropy with the corresponding lattice constant of 1.18 nm. The structure and electronic properties of the GaTe $(10 \bar{2})$ clean surfaces have been studied both experimentally, using photoelectron spectroscopy, low-energy electron diffraction (LEED), and scanning tunneling microscopy, and theoretically, using density functional theory. The results clearly indicate a monoclinic structure of the surface layer, with no pronounced reconstruction or relaxation of the surface observed. This finding contradicts the previous LEED study, where a surface monoclinic-hexagonal phase transformation was reported. The GaTe $(10 \bar{2})$ surface is found to be quite stable in time and resistant to oxidation. This makes gallium monotelluride an attractive substrate for growth of one-dimensional metal structures.

Received 9 December 2010

DOI:https://doi.org/10.1103/PhysRevB.85.075409

Authors & Affiliations

L. V. Yashina¹, R. Püttner², A. A. Volykhov¹, P. Stojanov³, J. Riley³, S. Yu. Vassiliev¹, A. N. Chaika⁴, S. N. Dedyulin¹, M. E. Tamm¹, D. V. Vyalikh⁵, and A. I. Belogorokhov⁶

¹Department of Chemistry, Moscow State University, Leninskie gory 1, 119991 Moscow, Russia
²Institut für Experimentalphysik, Freie Universität Berlin, Arnimallee 14, D-14195 Berlin-Dahlem, Germany
³Department of Physics, La Trobe University, Victoria 3086, Australia
⁴Institute of Solid State Physics RAS, Academician Ossipyan str., 2, Chernogolovka, 142432 Moscow region, Russia
⁵Institut für Festkörperphysik, Technische Universiät Dresden, Zellescher Weg 16, D-01062 Dresden, Germany
⁶Federal State Research and Design Institute of Rare Metal Industry “GIREDMET,” B.Tolmachevsky lane 5-1, 119017 Moscow, Russia

Article Text (Subscription Required)

Click to Expand

References (Subscription Required)

Click to Expand

Issue

Vol. 85, Iss. 7 — 15 February 2012

Reuse & Permissions

Access Options

Author publication services for translation and copyediting assistance advertisement

Physical Review B

covering condensed matter and materials physics

Atomic geometry and electron structure of the GaTe $(10 \bar{2})$ surface

L. V. Yashina, R. Püttner, A. A. Volykhov, P. Stojanov, J. Riley, S. Yu. Vassiliev, A. N. Chaika, S. N. Dedyulin, M. E. Tamm, D. V. Vyalikh, and A. I. Belogorokhov

Phys. Rev. B 85, 075409 – Published 13 February 2012

Abstract

Authors & Affiliations

Article Text (Subscription Required)

References (Subscription Required)

Issue

Access Options

Physical Review B

covering condensed matter and materials physics

Atomic geometry and electron structure of the GaTe(102¯) surface

L. V. Yashina, R. Püttner, A. A. Volykhov, P. Stojanov, J. Riley, S. Yu. Vassiliev, A. N. Chaika, S. N. Dedyulin, M. E. Tamm, D. V. Vyalikh, and A. I. Belogorokhov

Phys. Rev. B 85, 075409 – Published 13 February 2012

Abstract

Authors & Affiliations

Article Text (Subscription Required)

References (Subscription Required)

Issue

Access Options

Authorization Required

Other Options

Download & Share

Images

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Log In

Search

Article Lookup

Paste a citation or DOI

Enter a citation

Atomic geometry and electron structure of the GaTe $(10 \bar{2})$ surface