尺寸效应对细晶粒BaTiO3陶瓷电滞现象的影响

功能材料, 2005, 36(11): 1712-1714.

1.清华大学,材料科学与工程系新型陶瓷和精细工艺国家重点实验室,北京,100084

2.清华大学,材料科学与工程系新型陶瓷和精细工艺国家重点实验室,北京,100084

3.清华大学,材料科学与工程系新型陶瓷和精细工艺国家重点实验室,北京,100084

4.清华大学,材料科学与工程系新型陶瓷和精细工艺国家重点实验室,北京,100084

基金项目: 新材料领域项目(2001AA325010;2003AA32G030) 科技部科研项目(2002CB613301)

The dimension effects on hysteresis loops of fine grain BaTiO3 ceramics

考虑到转向极化和反向畴的成核生长过程的综合影响,引入了一个反映两种过程影响程度的比例参数,对细晶粒BaTiO3陶瓷的电滞回线进行了理论分析,其结论与试验结果是极其一致的,这将有助于深入了解晶粒尺寸效应对BaTiO3陶瓷极化影响的机制.

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