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The local structure of Co-doped ZnO films studied by X-ray absorption spectroscopy
Liu, XC; Shi, EW; Chen, ZZ; Chen, BY; Huang, W; Song, LX; Zhou, KJ; Cui, MQ; Xie, Z; He, B; Wei, SQ; Zhou KJ(周克瑾); Cui MQ(崔明启)
2008
发表期刊JOURNAL OF ALLOYS AND COMPOUNDS
卷号463期号:1-2页码:435-439
通讯作者[Liu, Xue-Chao ; Shi, Er-Wei ; Chen, Zhi-Zhan ; Chen, Bo-Yuan ; Huang, Wei ; Song, Li-Xin] Chinese Acad Sci, Shanghai Inst Ceram, Shanghai 200050, Peoples R China ; [Liu, Xue-Chao ; Chen, Bo-Yuan ; Huang, Wei] Chinese Acad Sci, Grad Sch, Beijing 10049, Peoples R China ; [Zhou, Ke-Jin ; Cui, Ming-Qi] Inst High Energy Phys, Beijing Synchrotron Radiat Facil, Beijing 100049, Peoples R China ; [Xie, Zhi ; He, Bo ; Wei, Shi-Qiang] Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R China
摘要The Zn(0.95)CO(0.05)O films were deposited under different oxygen partial pressure (P(O2)) by inductively coupled plasma enhanced physical vapor deposition. The effect of P(O2) on the local structure of Zn(0.95)CO(0.05)O films was investigated by X-ray absorption spectroscopy (XAS) at Co K-edge and L-edge. The Co L-edge XAS spectra show the spin-orbit splitting and typical shake-up satellites of the Co(2+) ionization states. The XAS spectra at the Co K-edge indicate that Co ions substitute for Zn(2+) sites in the tetrahedral configuration without changing the wurtzite structure. The qualitative analyses of X-ray absorption near edge structure (XANES) reveal that the main defects are oxygen vacancies when Zn(0.95)Co(0.05)O films were deposited under very low P(O2). The extended X-ray absorption fine structure (EXAFS) analyses provide no significant bond length deviation from the pure ZnO structure. The coordination number varies slightly with different samples. The correlation between the coordination number and the pseudo Debye-Waller factor implies that the disorder is increased in samples prepared under low P(O2). (C) 2007 Elsevier B.V. All fights reserved.
文章类型Article
关键词co-doped ZnO diluted magnetic semiconductors EXAFS
学科领域Chemistry; Materials Science; Metallurgy & Metallurgical Engineering
DOI10.1016/j.jallcom.2007.09.030
研究领域[WOS]Chemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
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语种英语
WOS类目Chemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS记录号WOS:000258697300076
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被引频次:17[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/237472
专题多学科研究中心
作者单位中国科学院高能物理研究所
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Liu, XC,Shi, EW,Chen, ZZ,et al. The local structure of Co-doped ZnO films studied by X-ray absorption spectroscopy[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2008,463(1-2):435-439.
APA Liu, XC.,Shi, EW.,Chen, ZZ.,Chen, BY.,Huang, W.,...&崔明启.(2008).The local structure of Co-doped ZnO films studied by X-ray absorption spectroscopy.JOURNAL OF ALLOYS AND COMPOUNDS,463(1-2),435-439.
MLA Liu, XC,et al."The local structure of Co-doped ZnO films studied by X-ray absorption spectroscopy".JOURNAL OF ALLOYS AND COMPOUNDS 463.1-2(2008):435-439.
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