Issue 37, 2011

Atomic structures of the defective SrTiO3 (001) surface

Abstract

Surface structures of defective SrTiO3 (001) have been studied by using scanning probe microscopy and density functional theory calculations. We observed several defective surface structures with true atomic resolution under reducing ultrahigh vacuum conditions. It is found that all the defects are terminated by (001), (100) and (010) microfacets of the TiO2 plane. We propose microfaceting TiO2 termination with Sr adatom models. The formation of various types of defects is driven by the changes of the surface stoichiometry depending on surface preparations.

Graphical abstract: Atomic structures of the defective SrTiO3 (001) surface

Article information

Article type
Communication
Submitted
19 May 2011
Accepted
14 Jul 2011
First published
18 Aug 2011

Phys. Chem. Chem. Phys., 2011,13, 16516-16519

Atomic structures of the defective SrTiO3 (001) surface

T. Kubo, H. Orita and H. Nozoye, Phys. Chem. Chem. Phys., 2011, 13, 16516 DOI: 10.1039/C1CP21605H

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