Mechanism of self-trapping of electron excitation in alkali-halide crystals

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Abstract

A dynamic method is used to calculate the equilibrium positions of ions near heavy and light homologous impurities for KCl:J and KJ:Cl crystals. The most probable sites of self-traps are shown. Lattice ralaxation near an excited anion is modeled. The localization of electron excitations (EE) in alkali-halide crystals is examined from the viewpointof the formation of a covalent bond between anions as a relust of their approach toward each other. The EE localization time is determined by the lifetime of local vibrations in the crystal near the excited anions (5-10^-13-10^-11 sec).

Original language	English
Pages (from-to)	30-33
Number of pages	4
Journal	Soviet Physics Journal
Volume	29
Issue number	1
DOIs	https://doi.org/10.1007/BF00892549
Publication status	Published - Jan 1986

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ASJC Scopus subject areas

Physics and Astronomy(all)
Engineering(all)

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Bochkanov, P. V., & Korepanov, V. I. (1986). Mechanism of self-trapping of electron excitation in alkali-halide crystals. Soviet Physics Journal, 29(1), 30-33. https://doi.org/10.1007/BF00892549

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abstract = "A dynamic method is used to calculate the equilibrium positions of ions near heavy and light homologous impurities for KCl:J and KJ:Cl crystals. The most probable sites of self-traps are shown. Lattice ralaxation near an excited anion is modeled. The localization of electron excitations (EE) in alkali-halide crystals is examined from the viewpointof the formation of a covalent bond between anions as a relust of their approach toward each other. The EE localization time is determined by the lifetime of local vibrations in the crystal near the excited anions (5-10-13-10-11 sec).",

author = "Bochkanov, {P. V.} and Korepanov, {V. I.}",

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N2 - A dynamic method is used to calculate the equilibrium positions of ions near heavy and light homologous impurities for KCl:J and KJ:Cl crystals. The most probable sites of self-traps are shown. Lattice ralaxation near an excited anion is modeled. The localization of electron excitations (EE) in alkali-halide crystals is examined from the viewpointof the formation of a covalent bond between anions as a relust of their approach toward each other. The EE localization time is determined by the lifetime of local vibrations in the crystal near the excited anions (5-10-13-10-11 sec).

AB - A dynamic method is used to calculate the equilibrium positions of ions near heavy and light homologous impurities for KCl:J and KJ:Cl crystals. The most probable sites of self-traps are shown. Lattice ralaxation near an excited anion is modeled. The localization of electron excitations (EE) in alkali-halide crystals is examined from the viewpointof the formation of a covalent bond between anions as a relust of their approach toward each other. The EE localization time is determined by the lifetime of local vibrations in the crystal near the excited anions (5-10-13-10-11 sec).

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Access to Document

10.1007/BF00892549