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Author:

魏纪周 (魏纪周.) | 张铭 (张铭.) | 邓浩亮 (邓浩亮.) | 楚上杰 (楚上杰.) | 杜敏永 (杜敏永.) | 严辉 (严辉.)

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CQVIP PKU CSCD

Abstract:

采用脉冲激光沉积方法,通过调节激光能量、激光频率、衬底温度、氧压、靶基距等工艺参数,在(100)取向的铝酸镧单晶衬底上制备出Bi0.8Ba0.2Fe O3/La0.7Sr0.3Mn O3多铁性异质结.X射线衍射图谱表明薄膜呈钙钛矿结构,高分辨透射电镜图谱和能量色散X射线图谱表明两相界面清晰且具有良好的匹配度,异质结呈(00l)取向性生长.加场冷却条件下不同温度的磁滞回线(M-H)测量结果表明样品具有明显的交换偏置效应,交换偏置场(HEB)随温度的线性变化可能与异质结界面处电子轨道的重构和界面处自旋、轨道自由度之间的复杂的相互作用有关.

Keyword:

交换偏置 异质结 脉冲激光沉积

Author Community:

  • [ 1 ] 北京工业大学材料科学与工程学院
  • [ 2 ] 天津职业技术师范大学理学院

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Source :

物理学报

Year: 2015

Issue: 08

Volume: 64

Page: 356-360

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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