Studies of ferroelectric and magnetic phase transitions in multiferroic PbFe0.5Ta0.5O3

I. P. Raevski*, M. S. Molokeev, S. V. Misyul, E. V. Eremin, A. V. Blazhevich, S. P. Kubrin, D. A. Sarychev, V. V. Titov, Haydn Chen, C. C. Chou, S. I. Raevskaya, M. A. Malitskaya

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

X-ray, magnetic, and Mossbauer studies of a PbFe0.5Ta0.5O3 powder have been carried out. For the first time temperature dependence of the unit cell parameters was obtained. Antiferromagnetic Neel temperature TN ≈180 K was determined using the results of Mossbauer studies. In the vicinity of TN an anomaly in the temperature dependence of the monoclinic angle β was revealed in PFT. This anomaly seems to be due to the magnetoelectric coupling.

Original languageEnglish
Pages (from-to)52-60
Number of pages9
JournalFerroelectrics
Volume475
Issue number1
DOIs
StatePublished - 25 Jan 2015

Keywords

  • Lead iron tantalate
  • ferroelectric
  • lattice parameters
  • multiferroic
  • phase transition

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