Broadband micro-Brillouin scattering study of 0.7Pb(Sc1/2Nb 1/2)O3-0.3PbTiO3 crystals

  • S. Kojima
  • , S. Tsukada
  • , Y. Hidaka
  • , A. A. Bokov
  • , Z. G. Ye

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The critical behavior of a relaxor ferroelectric 0.7Pb(Sc 1/2Nb1/2)O3-0.3PbTiO3 (PSN-0.3PT) crystal is studied by the broadband micro-Brillouin scattering. Remarkable and continuous elastic anomaly is observed in the vicinity of the Curie temperature TC=500 K. The integrate intensity of a central peak obeys the Curie-Weiss law. The relaxation length of strain fluctuations on nanometer scale, l =VτCP, increases markedly below the intermediate temperature T*=0 K, indicating the start of a rapid growth in the size of PNRs at T*.

Original languageEnglish
Title of host publicationProceedings of the 2010 IEEE International Symposium on the Applications of Ferroelectrics, ISAF 2010, Co-located with the 10th European Conference on the Applications of Polar Dielectrics, ECAPD 2010
DOIs
StatePublished - 2010
Externally publishedYes
Event2010 IEEE International Symposium on the Applications of Ferroelectrics, ISAF 2010, Co-located with the 10th European Conference on the Applications of Polar Dielectrics, ECAPD 2010 - Edinburgh, Scotland, United Kingdom
Duration: 9 Aug 201012 Aug 2010

Publication series

NameProceedings of the 2010 IEEE International Symposium on the Applications of Ferroelectrics, ISAF 2010, Co-located with the 10th European Conference on the Applications of Polar Dielectrics, ECAPD 2010

Conference

Conference2010 IEEE International Symposium on the Applications of Ferroelectrics, ISAF 2010, Co-located with the 10th European Conference on the Applications of Polar Dielectrics, ECAPD 2010
Country/TerritoryUnited Kingdom
CityEdinburgh, Scotland
Period9/08/1012/08/10

Keywords

  • Micro-Brillouin scattering
  • PSN-xPT
  • Polar nanoregions
  • Relaxor ferroelectric

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