Bi26-x-yMxNyO40(M,N=Fe,Co,Gd)软铋矿薄膜的制备和强磁光效应

O734%TB383; 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Bi25 FeO40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Bi26-x-y Mx Ny O40(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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Published in人工晶体学报 Vol. 50; no. 9; pp. 1655 - 1661
Main Authors 高腾, 邢锟, 吴功辉, 陈新, 胡晓琳, 庄乃锋
Format Journal Article
LanguageChinese
Published 福州大学化学学院,福州 350108 01.09.2021
福州大学光功能晶态材料研究所,福州 350108
Subjects
磁光效应;磁圆二色光谱;Bi26-x-yMxNyO40薄膜;软铋矿;磁控溅射法;磁性质
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ISSN1000-985X
DOI10.3969/j.issn.1000-985X.2021.09.006

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Abstract O734%TB383; 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Bi25 FeO40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Bi26-x-y Mx Ny O40(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％.薄膜的磁性随着掺杂离子含量的提高逐渐增强.Bi13.6 Gd2.7 Co4.0 Fe5.7 O40/YSZ薄膜具有强磁光效应,在716 nm处的磁圆二色光谱信号高达到1710 deg/cm,有望应用于集成光隔离器等光通信器件中.
AbstractList O734%TB383; 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Bi25 FeO40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Bi26-x-y Mx Ny O40(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％.薄膜的磁性随着掺杂离子含量的提高逐渐增强.Bi13.6 Gd2.7 Co4.0 Fe5.7 O40/YSZ薄膜具有强磁光效应,在716 nm处的磁圆二色光谱信号高达到1710 deg/cm,有望应用于集成光隔离器等光通信器件中.
Author 庄乃锋
吴功辉
胡晓琳
陈新
高腾
邢锟
AuthorAffiliation 福州大学化学学院,福州 350108;福州大学光功能晶态材料研究所,福州 350108
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GAO Teng
ZHUANG Naifeng
HU Xiaolin
XING Kun
WU Gonghui
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DocumentTitle_FL Preparation and Strong Magneto-Optical Effect of Bi26-x-yMxNyO40(M, N=Fe, Co, Gd) Sillenite Type Films
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Keywords 磁光效应;磁圆二色光谱;Bi26-x-yMxNyO40薄膜;软铋矿;磁控溅射法;磁性质
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福州大学光功能晶态材料研究所,福州 350108
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Title Bi26-x-yMxNyO40(M,N=Fe,Co,Gd)软铋矿薄膜的制备和强磁光效应
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