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Study of electronic structure of MgB(2) by multiple-scattering calculations of BK-edge XANES
Wu ZY(吴自玉); Wu, ZY; Saini, NL; Bianconi, A
2002
发表期刊INTERNATIONAL JOURNAL OF MODERN PHYSICS B
卷号16期号:11-12页码:1605-1612
通讯作者Chinese Acad Sci, Beijing Synchrotron Radiat Facil, Inst High Energy Phys, Beijing 100039, Peoples R China
文章类型Article
摘要The MgB(2) system is studied by self consistent multiple-scattering calculations at the B K-edge X-ray absorption near edge structure (XANES). We find that the features in the B K-edge XANES are strongly affected by medium and long range order with large influence of the core hole potential suggesting that the band structure calculations are not enough to provide a quantitative interpretation of the spectral features. We have investigated evolution of density of states in the conduction band as a function of Al substitution in place of the Mg. The results are consistent with the fact that the Al substitution influences mainly the density of states in the B sigma-band and hence suppresses the superconductivity.
学科领域Physics
研究领域[WOS]Physics ; Physics
DOI10.1142/S021797920201138X
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语种英语
研究领域[WOS]Physics ; Physics
WOS类目Physics, Applied ; Physics, Condensed Matter ; Physics, Mathematical
WOS记录号WOS:000176129800011
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/239430
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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Wu ZY,Wu, ZY,Saini, NL,et al. Study of electronic structure of MgB(2) by multiple-scattering calculations of BK-edge XANES[J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS B,2002,16(11-12):1605-1612.
APA 吴自玉,Wu, ZY,Saini, NL,&Bianconi, A.(2002).Study of electronic structure of MgB(2) by multiple-scattering calculations of BK-edge XANES.INTERNATIONAL JOURNAL OF MODERN PHYSICS B,16(11-12),1605-1612.
MLA 吴自玉,et al."Study of electronic structure of MgB(2) by multiple-scattering calculations of BK-edge XANES".INTERNATIONAL JOURNAL OF MODERN PHYSICS B 16.11-12(2002):1605-1612.
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