Journal Article

PreJuSER-53131

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Atomic-Scale Analysis of the Oxygen Configuration at a SrTiO3 Dislocation Core

Jia, C. L.FZJ* ; Thust, A.FZJ* ; Urban, K.FZJ*

2005
APS College Park, Md.

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Please use a persistent id in citations: http://hdl.handle.net/2128/1099  doi:10.1103/PhysRevLett.95.225506

Abstract: The atomic structure of a SrTiO3 dislocation is revealed directly by phase-retrieval electron microscopy. In particular, atomic columns of light oxygen are observed simultaneously with the columns of considerably heavier Sr and Ti. A distinct structural modification of the oxygen octahedra at the dislocation core as well as a significant nonstoichiometry, including a deficiency of oxygen, are observed. Deviations from the bulk chemical concentration are quantified column by column by means of structure modeling and quantum-mechanical simulations of the electron scattering process.

Keyword(s): J

Note: Record converted from VDB: 12.11.2012

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Contributing Institute(s):

1. Mikrostrukturforschung (IFF-IMF)

Research Program(s):

1. Kondensierte Materie (M02)

Appears in the scientific report 2005
Notes: Nachtrag
Notes: This version is available at the following Publisher URL: http://prl.aps.org

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