The lead magnoniobate behavior in applied electric field

E. V. Oolla; E. Yu Koroleva; A. A. Nabereznov; N. M. Okuneva

doi:10.1080/00150199408244758

The lead magnoniobate behavior in applied electric field

E. V. Oolla, E. Yu Koroleva, A. A. Nabereznov, N. M. Okuneva

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Abstract

The low frequency measurements of linear and nonlinear components of complex dielectric permittivity() were carried out on lead magnoniobate(PMN) single crystals in the wide temperature region (100-450K). It has been shown that the application of a DC field (DCF) to a PMN crystal produces essential different results depending on the DCF direction. Some additional peculiarities appear on the ∊(T) dependences when a DCF is applied in <111> direction at values E≥E ~1.5 kV/cm. Such behavior may be explained in terms of the origin of ferroelectrical ordering in low temperature region induced by a DCF. The neutron scattering experiments confirm this supposition. For the first time nonlinear dielectric data were used to construct the E-T phase diagram (PD).

Original language	English (US)
Pages (from-to)	337-342
Number of pages	6
Journal	Ferroelectrics
Volume	151
Issue number	1
DOIs	https://doi.org/10.1080/00150199408244758
State	Published - Jan 1994
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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AU - Oolla, E. V.

AU - Koroleva, E. Yu

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AU - Okuneva, N. M.

PY - 1994/1

Y1 - 1994/1

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AB - The low frequency measurements of linear and nonlinear components of complex dielectric permittivity() were carried out on lead magnoniobate(PMN) single crystals in the wide temperature region (100-450K). It has been shown that the application of a DC field (DCF) to a PMN crystal produces essential different results depending on the DCF direction. Some additional peculiarities appear on the ∊(T) dependences when a DCF is applied in <111> direction at values E≥E ~1.5 kV/cm. Such behavior may be explained in terms of the origin of ferroelectrical ordering in low temperature region induced by a DCF. The neutron scattering experiments confirm this supposition. For the first time nonlinear dielectric data were used to construct the E-T phase diagram (PD).

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The lead magnoniobate behavior in applied electric field

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