OALib Journal期刊
ISSN: 2333-9721
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Room-temperature ferromagnetism in Co-doped ZnO fabricated by coprecipitation method 共沉淀法制备Co掺杂ZnO的室温铁磁性的研究
Yan Guo-Qing, Xie Kai-Xuan, Mo Zhong-Rong, Lu Zhong-Lin, Zou Wen-Qin, Wang Shen, Yue Feng-Juan, Wu Di, Zhang Feng-Ming, Du You-Wei, 严国清, 谢凯旋, 莫仲荣, 路忠林, 邹文琴, 王申, 岳凤娟, 吴镝, 张凤鸣, 都有为
Keywords: diluted magnetic semiconductors,ZnO,coprecipitation method,origin of magnetism 稀磁半导体,ZnO,共沉淀法,磁性来源
Abstract:
利用共沉淀法并在5vol.%H2/Ar气流中于300 ℃退火3 h,制备了Zn1-xCoxO稀磁半导体. 扫描电子微探针分析表明,对Co的名义组分分别为0.05,0.10,0.15的样品,其实际组分分别为x=0.054, 0.100和0.159. X射线衍射表明, 主相为纤锌矿结构, x=0.100和 0.159的样品中含有CoO杂相. X射线光电子谱显示出Co有3种状态: 替代进入Z
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