Specific features of the transformation of local levels into an impurity band of Ag 1-p Al p disordered solid solutions

A. M. Kosevich, I. A. Gospodarev*, V. I. Grishaev, A. V. Kotlyar, V. O. Kruglov, E. V. Manzheliĭ, E. S. Syrkin, S. B. Feodosyev

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

The phonon densities of states in disordered solid solutions of aluminum in silver are determined using the Jacobi matrix method. The transformation of discrete vibrational levels (local vibrational modes) into an impurity band with increasing concentration of impurity atoms is investigated. The formation of discrete vibrational levels is associated with the presence of individual aluminum impurity atoms in the lattice. It is demonstrated that, at relatively low (approximately 5-15%) aluminum concentrations, the broadening of the main local level is accompanied by the appearance of additional resonance peaks, which contain important information on the interatomic interactions in these solid solutions.

Original languageEnglish
Pages (from-to)4-11
Number of pages8
JournalJournal of Experimental and Theoretical Physics
Volume105
Issue number1
DOIs
Publication statusPublished - 1 Jul 2007

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solid solutions
aluminum
Jacobi matrix method
impurities
atoms
vibration mode
silver
interactions

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Kosevich, A. M., Gospodarev, I. A., Grishaev, V. I., Kotlyar, A. V., Kruglov, V. O., Manzheliĭ, E. V., ... Feodosyev, S. B. (2007). Specific features of the transformation of local levels into an impurity band of Ag 1-p Al p disordered solid solutions. Journal of Experimental and Theoretical Physics, 105(1), 4-11. https://doi.org/10.1134/S1063776107070023
Kosevich, A. M. ; Gospodarev, I. A. ; Grishaev, V. I. ; Kotlyar, A. V. ; Kruglov, V. O. ; Manzheliĭ, E. V. ; Syrkin, E. S. ; Feodosyev, S. B. / Specific features of the transformation of local levels into an impurity band of Ag 1-p Al p disordered solid solutions. In: Journal of Experimental and Theoretical Physics. 2007 ; Vol. 105, No. 1. pp. 4-11.
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abstract = "The phonon densities of states in disordered solid solutions of aluminum in silver are determined using the Jacobi matrix method. The transformation of discrete vibrational levels (local vibrational modes) into an impurity band with increasing concentration of impurity atoms is investigated. The formation of discrete vibrational levels is associated with the presence of individual aluminum impurity atoms in the lattice. It is demonstrated that, at relatively low (approximately 5-15{\%}) aluminum concentrations, the broadening of the main local level is accompanied by the appearance of additional resonance peaks, which contain important information on the interatomic interactions in these solid solutions.",
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Kosevich, AM, Gospodarev, IA, Grishaev, VI, Kotlyar, AV, Kruglov, VO, Manzheliĭ, EV, Syrkin, ES & Feodosyev, SB 2007, 'Specific features of the transformation of local levels into an impurity band of Ag 1-p Al p disordered solid solutions', Journal of Experimental and Theoretical Physics, vol. 105, no. 1, pp. 4-11. https://doi.org/10.1134/S1063776107070023

Specific features of the transformation of local levels into an impurity band of Ag 1-p Al p disordered solid solutions. / Kosevich, A. M.; Gospodarev, I. A.; Grishaev, V. I.; Kotlyar, A. V.; Kruglov, V. O.; Manzheliĭ, E. V.; Syrkin, E. S.; Feodosyev, S. B.

In: Journal of Experimental and Theoretical Physics, Vol. 105, No. 1, 01.07.2007, p. 4-11.

Research output: Contribution to journalArticle

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T1 - Specific features of the transformation of local levels into an impurity band of Ag 1-p Al p disordered solid solutions

AU - Kosevich, A. M.

AU - Gospodarev, I. A.

AU - Grishaev, V. I.

AU - Kotlyar, A. V.

AU - Kruglov, V. O.

AU - Manzheliĭ, E. V.

AU - Syrkin, E. S.

AU - Feodosyev, S. B.

PY - 2007/7/1

Y1 - 2007/7/1

N2 - The phonon densities of states in disordered solid solutions of aluminum in silver are determined using the Jacobi matrix method. The transformation of discrete vibrational levels (local vibrational modes) into an impurity band with increasing concentration of impurity atoms is investigated. The formation of discrete vibrational levels is associated with the presence of individual aluminum impurity atoms in the lattice. It is demonstrated that, at relatively low (approximately 5-15%) aluminum concentrations, the broadening of the main local level is accompanied by the appearance of additional resonance peaks, which contain important information on the interatomic interactions in these solid solutions.

AB - The phonon densities of states in disordered solid solutions of aluminum in silver are determined using the Jacobi matrix method. The transformation of discrete vibrational levels (local vibrational modes) into an impurity band with increasing concentration of impurity atoms is investigated. The formation of discrete vibrational levels is associated with the presence of individual aluminum impurity atoms in the lattice. It is demonstrated that, at relatively low (approximately 5-15%) aluminum concentrations, the broadening of the main local level is accompanied by the appearance of additional resonance peaks, which contain important information on the interatomic interactions in these solid solutions.

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Kosevich AM, Gospodarev IA, Grishaev VI, Kotlyar AV, Kruglov VO, Manzheliĭ EV et al. Specific features of the transformation of local levels into an impurity band of Ag 1-p Al p disordered solid solutions. Journal of Experimental and Theoretical Physics. 2007 Jul 1;105(1):4-11. https://doi.org/10.1134/S1063776107070023