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Detecting oxygen vacancies in SrTiO3 by 3d transition-metal tracer ions
Swiss Light Source, Paul Scherrer Institut, Villigen, Switzerland.ORCID iD: 0000-0002-3764-4235
Swiss Light Source, Paul Scherrer Institut, Villigen, Switzerland.
Swiss Light Source, Paul Scherrer Institut, Villigen, Switzerland.
Condensed Matter Theory Group, Paul Scherrer Institut, Villigen, Switzerland.
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2009 (English)In: Physical Review B. Condensed Matter and Materials Physics, ISSN 1098-0121, E-ISSN 1550-235X, Vol. 80, no 21, Article number: 212103- p.Article in journal (Refereed) Published
Abstract [en]

X-ray absorption experiments on 3d transition-metal tracer ions in SrTiO3 are presented. The absorption spectra of the tracer-ion changed upon reduction in the SrTiO3. This change is due to an oxygen vacancy created at the tracer-ion site. This finding is supported by density-functional theory calculations, which prove that the oxygen vacancies preferentially are created at the tracer-ion sites. Using the chemical sensitivity of x-ray absorption spectroscopy, tracer ions can be used to detect oxygen vacancies in SrTiO3 and possibly in other oxide systems. © 2009 The American Physical Society.

Place, publisher, year, edition, pages
College Park, MD: American Physical Society , 2009. Vol. 80, no 21, Article number: 212103- p.
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Condensed Matter Physics
Identifiers
URN: urn:nbn:se:hh:diva-26524DOI: 10.1103/PhysRevB.80.212103ISI: 000273228200003Scopus ID: 2-s2.0-77954730883OAI: oai:DiVA.org:hh-26524DiVA: diva2:747662
Available from: 2014-09-17 Created: 2014-09-17 Last updated: 2015-02-24Bibliographically approved

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Andreasson, Björn Pererik
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