Features of the low-frequency polarization response in the region of the ferroelectric phase transition in multiferroic TbMnO3

V. A. Trepakov, O. E. Kvyatkovskii, M. E. Savinov, A. Dejneka, X. Wang, S. W. Cheong

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

The unusual behavior of the low-frequency (10 Hz–1 MHz) permittivity in single crystals of ferroelectric multiferroic TbMnO3 has been experimentally and theoretically studied in detail in the region of the narrow temperature peak of the permittivity, associated with the ferroelectric phase transition (TC ~ 27.4 K). It has been found that the εc (ω, T) maximum sharply decreases with increasing measured field frequency, while the temperature position of the maximum is independent of frequency. It has been shown that the observed features of the polarization response can be satisfactorily described within the Landau–Khalatnikov polarization relaxation theory.

Original languageEnglish (US)
Pages (from-to)2021-2026
Number of pages6
JournalPhysics of the Solid State
Volume58
Issue number10
DOIs
StatePublished - Oct 1 2016

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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