Shift of phase transitions in a [.sub.x] ferroelectric composite

Temperature and frequency dependence of the dielectric properties of a [(NaN[O.sub.2]).sub.1-x]/[(KN[O.sub.2]).sub.x] composite is investigated. The temperature hysteresis of the upper phase transition and the change of the interval of existence of the disproportionate phase are established. Upon co...

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Bibliographic Details
Published inRussian physics journal p. 221
Main Authors Stukova, E.V, Baryshnikov, S.V, Koroleva, E.Yu
Format Journal Article
LanguageEnglish
Published Springer 01.06.2015
Subjects
Dielectrics
Electrical conductivity
Solid solutions
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Summary:Temperature and frequency dependence of the dielectric properties of a [(NaN[O.sub.2]).sub.1-x]/[(KN[O.sub.2]).sub.x] composite is investigated. The temperature hysteresis of the upper phase transition and the change of the interval of existence of the disproportionate phase are established. Upon cooling, the real component of the dielectric permittivity at low frequencies f < [10.sup.5] Hz is less than upon heating, whereas the inverse dependence is observed for tan δ. Keywords: ferroelectric materials, dielectric properties, composites, phase transitions.
ISSN:1064-8887
1573-9228
DOI:10.1007/s11182-015-0485-x