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

P. V. Bochkanov, V. I. Korepanov

Research output: Contribution to journalArticlepeer-review


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 languageEnglish
Pages (from-to)30-33
Number of pages4
JournalSoviet Physics Journal
Issue number1
Publication statusPublished - Jan 1986

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Engineering(all)

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