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Author:

季刚 (季刚.) | 张云鹏 (张云鹏.) | 颜世申 (颜世申.) | 梅良模 (梅良模.) | 张泽 (张泽.)

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Abstract:

利用电子显微分析技术对高Co含量的室温铁磁性半导体Zn1-xCoxO1-δ进行了微观表征,证明了氧含量是决定Zn1-xCoxO1-δ薄膜微观结构和磁性能的重要因素.在缺氧环境下,薄膜由含有大量氧缺位的纤锌矿结构的Zn1-xCoxO1-δ纳米晶(直径约5 nm)和填充其间的Zn-Co-O非晶相组成,两相对薄膜宏观磁性均有贡献;在富氧的环境下,非晶Zn-Co-O相消失,出现了CoO反铁磁相,纤锌矿结构Zn1-xCoxO1-δ中的氧缺位大量减少,晶粒长大到10-20 nm,室温铁磁性逐渐减弱,直至消失.

Keyword:

调控 氧缺位 室温铁磁性半导体 氧分压

Author Community:

  • [ 1 ] [季刚]北京工业大学
  • [ 2 ] [张云鹏]山东大学
  • [ 3 ] [颜世申]山东大学
  • [ 4 ] [梅良模]山东大学
  • [ 5 ] [张泽]北京工业大学

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Source :

金属学报

ISSN: 0412-1961

Year: 2008

Issue: 11

Volume: 44

Page: 1399-1403

2 . 3 0 0

JCR@2022

ESI Discipline: MATERIALS SCIENCE;

JCR Journal Grade:2

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 0

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