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NCUEIR > College of Science > Department of Physics > Periodical Articles > Item 987654321/16754

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:	[Department of Physics] Periodical Articles

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