Localization in disordered materials: Binary alloys

E. N. Economou; S. Kirkpatrick; Morrel H. Cohen; T. P. Eggarter

doi:10.1103/PhysRevLett.25.520

Localization in disordered materials: Binary alloys

E. N. Economou, S. Kirkpatrick, Morrel H. Cohen, T. P. Eggarter

Research output: Contribution to journal › Article › peer-review

65 Scopus citations

Abstract

A criterion for localization of electron states in disordered materials is presented. Applications to binary alloys, made using the self-energy calculated in the coherent-potential approximation, confirm the Mott-Cohen-Fritzsche-Ovshinsky model in detail. Mobility edges occur inside the band edges. A mobility gap can appear within the band. The band can split into sub-bands, each with mobility edges. Below a critical concentration, an Anderson transition, where the minority sub-band becomes entirely localized, can occur.

Original language	English (US)
Pages (from-to)	520-524
Number of pages	5
Journal	Physical review letters
Volume	25
Issue number	8
DOIs	https://doi.org/10.1103/PhysRevLett.25.520
State	Published - 1970
Externally published	Yes

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1103/PhysRevLett.25.520

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title = "Localization in disordered materials: Binary alloys",

abstract = "A criterion for localization of electron states in disordered materials is presented. Applications to binary alloys, made using the self-energy calculated in the coherent-potential approximation, confirm the Mott-Cohen-Fritzsche-Ovshinsky model in detail. Mobility edges occur inside the band edges. A mobility gap can appear within the band. The band can split into sub-bands, each with mobility edges. Below a critical concentration, an Anderson transition, where the minority sub-band becomes entirely localized, can occur.",

author = "Economou, \{E. N.\} and S. Kirkpatrick and Cohen, \{Morrel H.\} and Eggarter, \{T. P.\}",

year = "1970",

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journal = "Physical review letters",

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AU - Economou, E. N.

AU - Kirkpatrick, S.

AU - Cohen, Morrel H.

AU - Eggarter, T. P.

PY - 1970

Y1 - 1970

N2 - A criterion for localization of electron states in disordered materials is presented. Applications to binary alloys, made using the self-energy calculated in the coherent-potential approximation, confirm the Mott-Cohen-Fritzsche-Ovshinsky model in detail. Mobility edges occur inside the band edges. A mobility gap can appear within the band. The band can split into sub-bands, each with mobility edges. Below a critical concentration, an Anderson transition, where the minority sub-band becomes entirely localized, can occur.

AB - A criterion for localization of electron states in disordered materials is presented. Applications to binary alloys, made using the self-energy calculated in the coherent-potential approximation, confirm the Mott-Cohen-Fritzsche-Ovshinsky model in detail. Mobility edges occur inside the band edges. A mobility gap can appear within the band. The band can split into sub-bands, each with mobility edges. Below a critical concentration, an Anderson transition, where the minority sub-band becomes entirely localized, can occur.

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U2 - 10.1103/PhysRevLett.25.520

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JO - Physical review letters

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IS - 8

ER -

Localization in disordered materials: Binary alloys

Abstract

All Science Journal Classification (ASJC) codes

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