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Influence of Chemical Disorder, Magnetic Field and Phason Flipd on the Localization of Electronic States in a Regular Icosahedral Quasicrystal

Published online by Cambridge University Press:  17 March 2011

Yu.Kh. Vekilov ,
E.I. Isaev  and
S.F. Arslanov
Yu.Kh. Vekilov
Affiliation:
Moscoc State Institute of Steel and Alloys. Theretical Physics Department, Moscow, Russia
E.I. Isaev
Affiliation:
Moscoc State Institute of Steel and Alloys. Theretical Physics Department, Moscow, Russia
S.F. Arslanov
Affiliation:
Moscoc State Institute of Steel and Alloys. Theretical Physics Department, Moscow, Russia
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Abstract

The influence of substitutional chemical disorder, magenetic field and phasons, on the electronic spectrum and wave functions of icosahedral quasicrystals is investigated by means of tight-biding approximation and level statistic method. The results show that the localization of electronic states in an ideal quasictystal exists due to their coherent interfernce at the Fremi level which is caused by the symmetry and aperiodic long-range order.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 643: Symposium K – Quasicrystals-Preparation, Properties, and Applications , 2000 , K9.17
Copyright
Copyright © Materials Research Society 2001

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