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2008 | 113 | 3 | 879-882
Article title

Polar Phonons in Relaxor Ferroelectric 0.2PSN-0.4PMN-0.4PZN

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EN
Abstracts
EN
Relaxor ferroelectrics 0.2PbSc_{1/2}Nb_{1/2}O_3-0.4PbMg_{1/3}Nb_{2/3}O_3-0.4PbZn_{1/3}Nb_{2/3}O_3 ceramics were studied by means of the Fourier transform infrared reflection and THz transmission spectroscopy in the temperature range of 20-500 K. On heating from low temperatures, the A_1 component of the strongly split TO_1 mode softens towards the Burns temperature, but the softening ceases near 400 K, which could be a signature of polar cluster percolation temperature.
Keywords
EN
Contributors
  • Semiconductor Physics Institute, A. Goštauto 11, Vilnius, Lithuania
author
  • Institute of Physics, ASCR, Na Slovance 2, Prague 8, Czech Republic
author
  • Institute of Physics, ASCR, Na Slovance 2, Prague 8, Czech Republic
author
  • Faculty of Physics, Vilnius University, Sauletekio 9, Vilnius, Lithuania
author
  • Institute of Solid State Physics, University of Latvia, 8 Kengaraga str., Riga, Latvia
author
  • Institute of Solid State Physics, University of Latvia, 8 Kengaraga str., Riga, Latvia
References
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv113n321kz
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