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  Precursor dynamics to the structural instability in SrTiO3

Roleder, K., Bussmann-Holder, A., Gorny, M., Szot, K., & Glazer, A. M. (2012). Precursor dynamics to the structural instability in SrTiO3. Phase Transitions, 85(11), 939-948.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000E-C2CC-1 Version Permalink: https://hdl.handle.net/21.11116/0000-000E-C2CD-0
Genre: Journal Article

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 Creators:
Roleder, K., Author
Bussmann-Holder, A.1, 2, 3, 4, Author           
Gorny, M., Author
Szot, K., Author
Glazer, A. M., Author
Affiliations:
1Former Departments, Max Planck Institute for Solid State Research, Max Planck Society, ou_3370502              
2Department Electronic Structure Theory (Ali Alavi), Max Planck Institute for Solid State Research, Max Planck Society, ou_3370479              
3Department Physical Chemistry of Solids (Joachim Maier), Max Planck Institute for Solid State Research, Max Planck Society, ou_3370483              
4Department Nanochemistry (Bettina V. Lotsch), Max Planck Institute for Solid State Research, Max Planck Society, ou_3370482              

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 Abstract: The structural instability of SrTiO3 at T-S = 105 K is reinvestigated experimentally and theoretically by birefringence measurements and within the self-consistent phonon approximation. Analogous to BaTiO3 the phase transition shows precursor dynamics starting approximately 60 K above the phase transition temperature. These rotational dynamic clusters compete with precursor effects stemming from the polar soft mode and appear on different length scales as compared to BaTiO3.

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Language(s): eng - English
 Dates: 2012
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: eDoc: 632827
ISI: 000310307300001
 Degree: -

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Title: Phase Transitions
Source Genre: Journal
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Pages: - Volume / Issue: 85 (11) Sequence Number: - Start / End Page: 939 - 948 Identifier: ISSN: 0141-1594