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A study of the pre-edge X-ray absorption fine structures in Ni monoxide
Li SJ(李树军); Wu ZY(吴自玉); Hu TD(胡天斗); Xie YN(谢亚宁); Zhang J(张静); Liu T(刘涛); Li, SJ; Wu, ZY; Hu, TD; Xie, YN; Zhang, J; Liu, T; Natoli, CR; Paris, E; Marcelli, A
Source PublicationPHYSICA SCRIPTA
Corresponding AuthorWu, ZY (reprint author), Chinese Acad Sci, Inst High Energy Phys, Beijing Synchrotron Radiat Facil, POB 918, Beijing 100039, Peoples R China.
AbstractPre-edge features in the Ni K-edge X-ray absorption near-edge structure (XANES) spectrum of Ni monoxide (NiO) in octahedral coordination, were investigated. By comparing experimental data with dipolar and quadrupolar cross-section calculations in the framework of the full multiple-scattering theory we assign the first pre-edge peak to a direct quadrupolar transitions from the 1s core state to the 3d molecular orbitals of the central atom (due to the more effective attraction of the core hole). The intensity of quadrupolar transition is almost equal to the dipolar pre-edge structure, at higher energy, due to the hybridization between the p-orbitals of the central atom with the higher-shell metal octahedral orbitals, that reflects the density of states derived by the medium range order of the system.
Subject AreaPhysics
Indexed BySCI
WOS SubjectPhysics, Multidisciplinary
WOS IDWOS:000204272100058
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Document Type期刊论文
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Li SJ,Wu ZY,Hu TD,et al. A study of the pre-edge X-ray absorption fine structures in Ni monoxide[J]. PHYSICA SCRIPTA,2005,T115:#REF!.
APA 李树军.,吴自玉.,胡天斗.,谢亚宁.,张静.,...&Marcelli, A.(2005).A study of the pre-edge X-ray absorption fine structures in Ni monoxide.PHYSICA SCRIPTA,T115,#REF!.
MLA 李树军,et al."A study of the pre-edge X-ray absorption fine structures in Ni monoxide".PHYSICA SCRIPTA T115(2005):#REF!.
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