Influence of conductivity on phase transition character in BaTiO3 crystals

被引：1
|
作者：
Dul'kin, EA
Raevski, IP
机构：
[1] Rostov State Univ, Mech & Appl Math Res Inst, Rostov On Don 344090, Russia
[2] Rostov State Univ, Inst Phys, Rostov On Don 344090, Russia
来源：
FERROELECTRICS | 2000年 / 242卷 / 1-4期
关键词：
acoustic emission; domain structure; ferroelectrics; -; semiconductors; phase transitions;
D O I：
10.1080/00150190008228402
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Thermal expansion and acoustic emission of BaTiO(3)crystals with electric conductivity values differing by several orders of magnitude have been studied simultaneously. Both Curie temperature and temperature hysteresis of the ferroelectric-paraelectric phase transition, as well as acoustic emission activity decrease with conductivity. The absence of acoustic emission in highly conducting BaTiO3 crystals is likely to be caused by their monodomainisation.
引用
收藏
页码：53 / 58
页数：6
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