Anomalous Temperature Dependence of Electrostrictive Coefficients in K(Ta0.55Nb0.45)O3

Kenji Uchino, Shoichiro Nomura, L. E. Cross

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A significant temperature dependence of the electrostrictive coefficients of K(Ta0.55Nb0.45)O3 has been observed in a narrow temperature range above the ferroelectric Cuire point (T- Tc<30°C). The reciprocal permittivity versus temperature relation deviates from the Curie-Weiss law in the same temperature range. A simple model is proposed based on the polarization critical-fluctuation.

Original languageEnglish (US)
Pages (from-to)3242-3244
Number of pages3
JournalJournal of the Physical Society of Japan
Issue number10
StatePublished - Oct 15 1982

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy


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