Short-range order and singularities of the electronic structure of icosahedral quasicrystals

For icosahedral phases of the Al-Cu-Fe system, components of the electrical conductivity, magnetic susceptibility, Hall effect, and heat capacity associated with thermally induced charge carriers for the first time have been considered jointly over a wide temperature range. It has been shown that th...

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Bibliographic Details
Published in:Physics of the solid state 2013-11, Vol.55 (11), p.2260-2266
Main Authors: Prekul, A. F., Shchegolikhina, N. I.
Format: Article
Language:English
Subjects:
Alloys
Analysis
Electric properties
Electrical conductivity
Magnetism
Physics
Physics and Astronomy
Solid State Physics
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Summary:For icosahedral phases of the Al-Cu-Fe system, components of the electrical conductivity, magnetic susceptibility, Hall effect, and heat capacity associated with thermally induced charge carriers for the first time have been considered jointly over a wide temperature range. It has been shown that the full range of thermal effects can be understood in the framework of the unified concept, which is based on an inhomogeneous system of two-level electronic excitations. A model of the inhomogeneous electronic state and the mechanism of its formation with the dominant role of short-range order have been proposed.
ISSN:1063-7834
1090-6460
DOI:10.1134/S106378341311019X