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Detecting oxygen va...
Detecting oxygen vacancies in SrTiO3 by 3d transition-metal tracer ions
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- Andreasson, Björn Pererik, 1979- (författare)
- Swiss Light Source, Paul Scherrer Institut, Villigen, Switzerland
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- Janousch, M. (författare)
- Swiss Light Source, Paul Scherrer Institut, Villigen, Switzerland
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- Staub, U. (författare)
- Swiss Light Source, Paul Scherrer Institut, Villigen, Switzerland
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- Todorova, T. (författare)
- Condensed Matter Theory Group, Paul Scherrer Institut, Villigen, Switzerland
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- Delley, B. (författare)
- Condensed Matter Theory Group, Paul Scherrer Institut, Villigen, Switzerland
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- Meijer, G. I. (författare)
- IBM Research, Zurich Research Laboratory, Rüschlikon, Switzerland
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- Pomjakushina, E. (författare)
- Laboratory for Developments and Methods, Paul Scherrer Institut, Villigen, Switzerland
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(creator_code:org_t)
- College Park, MD : American Physical Society, 2009
- 2009
- Engelska.
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Ingår i: Physical Review B. Condensed Matter and Materials Physics. - College Park, MD : American Physical Society. - 1098-0121 .- 1550-235X. ; 80:21, s. Article number: 212103-
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- 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.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
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