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Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/16754

Title: 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
Authors: T. A. Callcott;Lin, Lin;G. T. Woods;Zhang, G. P.;J. R. Thompson;M. Paranthaman;D. L. Ederer
Contributors: 物理學系
Date: 2001
Issue Date: 2013-06-05T07:59:13Z
Publisher: The American Physical Society
Abstract: 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.
Relation: Physical Review B, 64(13): 132504
Appears in Collections:[物理學系] 期刊論文

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