铁电材料是一类重要的功能材料,介电(电压)非线性是近年来高新技术研究的前沿和热点之一.综述了关于铁电材料介电非线性的临界尺寸、晶粒尺寸效应、膜厚效应、模型和介质移相器等方面的最新研究进展,提出了研究中需要解决的一些问题.
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