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

doi:https://doi.org/10.1134/S1063783416100383

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

New High Energy Theory Center

Rutgers, The State University

Research output: Contribution to journal › Article › peer-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 (T_C ~ 27.4 K). It has been found that the ε_c ^′(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 language	English (US)
Pages (from-to)	2021-2026
Number of pages	6
Journal	Physics of the Solid State
Volume	58
Issue number	10
DOIs	https://doi.org/10.1134/S1063783416100383
State	Published - Oct 1 2016

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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title = "Features of the low-frequency polarization response in the region of the ferroelectric phase transition in multiferroic TbMnO3",

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.",

author = "Trepakov, {V. A.} and Kvyatkovskii, {O. E.} and Savinov, {M. E.} and A. Dejneka and X. Wang and Cheong, {S. W.}",

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T1 - Features of the low-frequency polarization response in the region of the ferroelectric phase transition in multiferroic TbMnO3

AU - Trepakov, V. A.

AU - Kvyatkovskii, O. E.

AU - Savinov, M. E.

AU - Dejneka, A.

AU - Wang, X.

AU - Cheong, S. W.

PY - 2016/10/1

Y1 - 2016/10/1

N2 - 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.

AB - 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.

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

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