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题名: Soft-x-ray Spectroscopy Measurements of the p-like Density of States of B in MgB2 and Evidence for Surface Boron Oxides on Exposed Surfaces
作者: T. A. Callcott;Lin, Lin;G. T. Woods;Zhang, G. P.;J. R. Thompson;M. Paranthaman;D. L. Ederer
贡献者: 物理學系
日期: 2001
上传时间: 2013-06-05T07:59:13Z
出版者: The American Physical Society
摘要: Soft-x-ray absorption and fluorescence measurements are reported for the K edge of B in MgB2. The measurements confirm a high density of B pxy(σ) states at the Fermi edge and extending to approximately 0.9 eV above the edge. A strong resonance is observed in elastic scattering through a core exciton derived from out-of-plane pz(π*) states. Another strong resonance, observed in both elastic and inelastic spectra, is identified as a product of surface boron oxides.
關聯: Physical Review B, 64(13): 132504
显示于类别:[物理學系] 期刊論文

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