A comparative analysis of the spectral characteristics of triplet self-trapped excitons and F2 centers in alkali halide crystals

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Abstract

A comparative analysis of the spectral characteristics of self-trapped excitons (STE) and F2 centers in the states with the same spin multiplicity is carried out. Based on the analysis, a criterion for the separation of the triplet-triplet (T-T) absorptive transitions in the electronic and hole components of the STE in any alkali halide crystal is proposed. It is concluded that inhomogeneities in the form of a homological cation or anion impurity in the nearest coordination shells of the spatial position of the STE, rather than hole, affect the spectral position of the T-T transitions in the electron component of the STE.

Original languageEnglish
Pages (from-to)2235-2239
Number of pages5
JournalPhysics of the Solid State
Volume44
Issue number12
DOIs
Publication statusPublished - 1 Dec 2002

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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