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Soft modes in semiconducting SrTiO3

I. The Zone Boundary Mode

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Zeitschrift für Physik B Condensed Matter

Abstract

The temperature and concentration dependence of the soft zone boundary mode in heavily reduced SrTiO3 was studied by means of inelastic neutron scattering. It was found that the 105 K structural phase transition is suppressed completely for about 2% oxygen vacancies. The results are discussed in terms of recent models.

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References

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Authors and Affiliations

  1. Angewandte Physik, Johannes-Kepler-Universität Linz, A-4040, Linz, Austria

    D. Wagner & D. Bäuerle

  2. Theoretische Physik, Johannes-Kepler-Universität Linz, A-4040, Linz, Austria

    F. Schwabl

  3. Institut Max von Laue — Paul Langevin, F-38042, Grenoble, France

    B. Dorner & H. Kraxenberger

Authors
  1. D. Wagner
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  2. D. Bäuerle
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  3. F. Schwabl
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  4. B. Dorner
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  5. H. Kraxenberger
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Wagner, D., Bäuerle, D., Schwabl, F. et al. Soft modes in semiconducting SrTiO3 . Z Physik B 37, 317–320 (1980). https://doi.org/10.1007/BF01352741

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  • DOI: https://doi.org/10.1007/BF01352741

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