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Evidence of Matrix Lattice Distortion in Zn1-xCoxO Nanocrystals
Zhang S(张硕); Li HM(李海铭); Chu WS(储旺盛); Li J(李炯); Wu ZY(吴自玉); Zhang, S; Du, YP; Li, HM; Chu, WS; Li, J; Yan, WS; Wei, SQ; Yan, CH; Wu, ZY
2009
发表期刊JOURNAL OF PHYSICAL CHEMISTRY C
卷号113期号:11页码:4263-4269
通讯作者[Zhang, Shuo ; Li, Haiming ; Chu, Wangsheng ; Li, Jiong ; Wu, Ziyu] Chinese Acad Sci, Inst High Energy Phys, Beijing Synchrotron Radiat Facil, Beijing 100049, Peoples R China ; [Zhang, Shuo ; Chu, Wangsheng ; Wei, Shiqiang ; Wu, Ziyu] Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Anhui, Peoples R China ; [Du, Yaping ; Yan, Chunhua] Peking Univ, PKU UKU Joint Lab Rare Earth Mat & Bioinorgan Che, State Key Lab Rare Earth Mat Chem & Applicat, Beijing Natl Lab Mol Sci, Beijing 100871, Peoples R China ; [Wu, Ziyu] Chinese Acad Sci, Theoret Phys Ctr Sci Facil, Beijing 100049, Peoples R China
文章类型Article
摘要In this work, we investigated the doping effect on the local structure of Co, Zn, and O in Zn1-xCoxO (x = 0.02 and 0.2) nanocrystals by X-ray absorption spectroscopy combined with A initio calculations. We identified the presence of a distorted CoO4 structure and showed that the distortion propagates homogeneously in the matrix with increasing doping concentration. The presence of a distorted matrix lattice plays an important role in the mechanism of room-temperature ferromagnetism observed in diluted magnetic semiconductor materials, which is in agreement with a new mechanism recently introduced. Information on the electronic structure of the bottom of the conduction band has been achieved by O K-edge X-ray absorption near-edge spectroscopy that also addresses significant contributions of the matrix lattice distortion on the distribution of O 2p states.
学科领域Chemistry; Science & Technology - Other Topics; Materials Science
研究领域[WOS]Chemistry ; Science & Technology - Other Topics ; Materials Science ; Chemistry ; Science & Technology - Other Topics ; Materials Science
DOI10.1021/jp807459s
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语种英语
研究领域[WOS]Chemistry ; Science & Technology - Other Topics ; Materials Science ; Chemistry ; Science & Technology - Other Topics ; Materials Science
WOS类目Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS记录号WOS:000264111300009
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/239971
专题多学科研究中心
粒子天体物理中心
作者单位中国科学院高能物理研究所
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Zhang S,Li HM,Chu WS,et al. Evidence of Matrix Lattice Distortion in Zn1-xCoxO Nanocrystals[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2009,113(11):4263-4269.
APA 张硕.,李海铭.,储旺盛.,李炯.,吴自玉.,...&Wu, ZY.(2009).Evidence of Matrix Lattice Distortion in Zn1-xCoxO Nanocrystals.JOURNAL OF PHYSICAL CHEMISTRY C,113(11),4263-4269.
MLA 张硕,et al."Evidence of Matrix Lattice Distortion in Zn1-xCoxO Nanocrystals".JOURNAL OF PHYSICAL CHEMISTRY C 113.11(2009):4263-4269.
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