OALib Journal期刊
ISSN: 2333-9721
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湿度对恒电场下BaTiO3单晶中畴变的影响
, PP. 1090-1094
Keywords: 铁电畴变,湿度,BaTiO3单晶,恒电场
Abstract:
通过偏振光显微镜观察了在恒电场作用下湿空气对BaTiO3单晶畴变的影响.结果表明,在恒电场下,湿度对不同的畴结构有不同的影响.较低的湿度对a-b和b-c畴结构没有影响.而在较高的湿度下,随着放置时间的增加,b-c畴结构发生了变化,b畴逐渐向c畴转变;但是较高的湿度对a-b畴结构无影响.可用水分子在a(b)畴和c畴上的吸附差别解释上述现象.
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