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  Enhanced Polarization Fluctuations in PbZr0.72Sn0.28O3 Compared to PbZrO3 Single Crystals Studied by Brillouin Light Scattering

Ko, J., Jeong, M., Lee, B., Kim, T., Jankowska-Sumara, I., Majchrowski, A., et al. (2015). Enhanced Polarization Fluctuations in PbZr0.72Sn0.28O3 Compared to PbZrO3 Single Crystals Studied by Brillouin Light Scattering. Ferroelectrics, 479, 1-7.

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 Creators:
Ko, J., Author
Jeong, M., Author
Lee, B., Author
Kim, T., Author
Jankowska-Sumara, I., Author
Majchrowski, A., Author
Bussmann-Holder, A.1, 2, 3, 4, Author           
Ko, Y., Author
Kim, K., Author
Soszynski, A., Author
Roleder, K., 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: Abstracts Acoustic properties of antiferroelectric (AFE) PbZr0.72Sn0.28O3 single crystals were investigated in a wide temperature range by Brillouin light scattering spectroscopy. The Brillouin frequency shift of the longitudinal acoustic (LA) mode exhibited three abrupt changes corresponding to the successive phase transitions between the paraelectric, intermediate, antiferroelectric (AFE2) and antiferroelectric (AFE1) phases upon cooling. The change in the LA mode frequency and the damping maximum of PbZr0.72Sn0.28O3 were much higher than those of pure PbZrO3. This was attributed to enhanced polarization fluctuations caused by increased ferroelectric distortions due to Sn substitution and the proximity to the tricritical point on the phase diagram of PbZr1-xSnxO3.

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Language(s): eng - English
 Dates: 2015
 Publication Status: Issued
 Pages: -
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 Table of Contents: -
 Rev. Type: Internal
 Identifiers: eDoc: 713622
ISI: 000355802000001
 Degree: -

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Title: Ferroelectrics
Source Genre: Journal
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Pages: - Volume / Issue: 479 Sequence Number: - Start / End Page: 1 - 7 Identifier: ISSN: 0015-0193