Estimate of Mixed-Valency in Transition Metal Oxides from Core Level Photomission Spectroscopy

概要

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With extensive calculations based on cluster and impurity models, we analyse core level pho-toemission spectra of several transition metal compottnds. Our results show that the averaged-occtrpancy is determined with sufficient accuracy from these spectra, though different interac-tion strengths, like U, A and t individually have a very wide range of uncertainties. It is alsofound that an analysis of core level spectra of a stoichiometric compound can provide a goodestimate even for the character of doped holes in such systems.
社団法人日本物理学会の論文
1996-05-15