INFLUENCE OF DISORDERING ON THE ELECTRONIC STRUCTURE AND X-RAY SPECTRA OF Fe//3Si.

V. L. Anisimov, A. V. Postnikov, E. Z. Kurmayev, G. Wich

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Abstract

On the basis of calculation of the local densities of states of the components of Fe//3Si the SiK// beta -spectra are interpreted and strong hybridization of the p-states of Si with the d-band of Fe, typical for impurities of p-elements in Fe, is established. The calculation in the coherent potential approximation shows that in the disordered alloy Fe//0//. //7//5Si//0//. //2//5 the density of p-states of is governed by direct hybridization of Si atoms which are nearest neighbors. This agrees with experimental observations of the intensity redistribution in SiK// beta -spectra during the transition from an ordered to a partially disordered structure.

Original languageEnglish
Pages (from-to)96-100
Number of pages5
JournalPhysics of Metals and Metallography
Volume62
Issue number4
Publication statusPublished - 1986
Externally publishedYes

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