A comparative analysis of the spectral characteristics of triplet self-trapped excitons and F<sub>2</sub> centers in alkali halide crystals

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 language	English
Pages (from-to)	2235-2239
Number of pages	5
Journal	Physics of the Solid State
Volume	44
Issue number	12
DOIs	https://doi.org/10.1134/1.1529917
Publication status	Published - 1 Dec 2002

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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

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.",

author = "Lisitsyna, {L. A.} and Korepanov, {V. I.} and Lisitsyn, {V. M.}",

year = "2002",

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T1 - A comparative analysis of the spectral characteristics of triplet self-trapped excitons and F2 centers in alkali halide crystals

AU - Lisitsyna, L. A.

AU - Korepanov, V. I.

AU - Lisitsyn, V. M.

PY - 2002/12/1

Y1 - 2002/12/1

N2 - 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.

AB - 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.

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