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Abstract:
磁光材料是现代光通信产业中不可或缺的关键功能材料。为了实现光通信器件的小型化,高质量磁光薄膜材料受到关注。软铋矿型Bi_(25)FeO_(40)具有高对称性的立方晶体结构,单位体积所含铋离子浓度高,理论上应具有较强的磁光效应,但却因为磁性偏弱、制备困难等缺点而限制了其应用。本文采用射频磁控溅射法,在掺钇二氧化锆(YSZ)基底上沉积获得具有立方相软铋矿型结构的Bi_(26-x-y)M_xN_yO_(40)(M, N=Fe, Co, Gd)磁光薄膜,并对其形貌、磁性、透过率、磁圆二色信号等进行表征。结果表明,薄膜均较为平整,厚度约为190 nm,在近红外区的透过率约为60%~70%。薄膜的磁性随着...
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Source :
人工晶体学报
Year: 2021
Issue: 09
Volume: 50
Page: 1655-1661
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 1
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