Ferroelectric-to-Paraelectric Phase Transition in Barium Titanate Ceramics Investigated by Pyrocharge Measurements

被引：0

作者：

Vasile Tura

Liliana Mitoseriu

Constantin Papusoi

Toshio Osaka

Masanori Okuyama

机构：

[1] Al. I. Cuza University,Department of Electricity and Magnetism, Faculty of Physics

[2] Science University of Tokyo,Department of Applied Physics, Faculty of Science

[3] Osaka University,Department of Electrical Engineering, Faculty of Engineering Science

来源：

Journal of Electroceramics | 1998年 / 2卷

关键词：

Polymer; Grain Size; Phase Transition; Titanate; Transition Temperature;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Temperature dependencies of the pyrocharge were recorded in view of investigating the ferroelectric-to-paraelectric phase transition in barium titanate ceramics with average grain sizes between 0.5 μm and 20 μm. The transition temperature decreased with decreasing the grain size. The relatively small shift of the Curie temperature detected in these pyrocharge experiments suggests that internal stresses are the main cause of the observed grain size effects.

引用

页码：163 / 169

页数：6

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