期刊
JOURNAL OF APPLIED PHYSICS
卷 105, 期 4, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3086317
关键词
barium compounds; dielectric hysteresis; ferroelectric coercive field
资金
- Thailand Center of Excellence in Physics
- Thailand Research Fund (TRF)
- Commission on Higher Education (CHE)
- Graduate School and Faculty of Science
- Chiang Mai University
The scaling behavior of the dynamic hysteresis of ferroelectric BaTiO3 single crystals was investigated. Two sets of the scaling relation of hysteresis area < A > against frequency f and field amplitude E-0 were clearly established. Above the coercive field, the scaling took a form of < A >proportional to f(-0.195)E(0)(0.950). On the other hand, the scaling in the form of < A >proportional to f(0)(1.667E)-2.804E(0)(4.157) was obtained under subcoercive field condition. While these scaling relations were generally comparable to previously reported ones, it was found that the f and E-0 exponents depended on E-0 and f, respectively, which was in contrast to the prior theoretical prediction and experimental investigations.
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