Abstract:
<正>BiFeO3是一种单相的多铁材料,具有菱方扭曲的钙钛矿结构,属于R3C点群,在室温下铁电性和反铁磁性共存,并具有远高于室温的反铁磁奈尔温度(TN-380℃)和铁电居里温度(TC-830℃),利用铁酸铋的多铁性可设计出用快速电极化诱导快速磁极化反转的电写磁读的新型记忆材料,同时因其具有较高的介电常数和磁导率的特点,可制成集高电容和大电感于一体的电子元件。虽然BiFeO3所属的R3C点群允许弱铁
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Year: 2014
Language: Chinese
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