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Electronic Densities of States and Pseudo-gaps in Al-based Complex Intermetallics

Esther Belin-Ferré ; Laboratoire de Chimie Physique Matière et Rayonnement, UMR CNRS-UPMC 7614, 11 rue Pierre et Marie Curie, 75231 Paris cedex 05, France
Zoltan Dankhazi ; Institute for Solid State Physics, ELTE University, Pasmany, Budapest, Hungary
Marie-Françoise Fontaine ; Laboratoire de Chimie Physique Matière et Rayonnement, UMR CNRS-UPMC 7614, 11 rue Pierre et Marie Curie, 75231 Paris cedex 05, France
Marie-Cécile de Weerd ; Institut Jean Lamour (FR 2797 CNRS-INPL-UHP), Ecole des Mines de Nancy, Parc de Saurupt, 54042 Nancy Cedex, France
Jean Marie Dubois ; Institut Jean Lamour (FR 2797 CNRS-INPL-UHP), Ecole des Mines de Nancy, Parc de Saurupt, 54042 Nancy Cedex, France

Sažetak

The results of an investigation of the electronic structure of the valence band of various Al-based complex intermetallic alloys, carried out using the X-ray emission spectroscopy technique, are presented and discussed. It is shown that the electronic structure results from an interplay between covalency and repulsive interactions that contributes to the formation of a pseudo-gap at the Fermi level in the Al electronic distributions.

Ključne riječi

electronic structure; pseudo-gap

Hrčak ID:

52235

URI

https://hrcak.srce.hr/52235

Datum izdavanja:

30.4.2010.

Posjeta: 1.618 *