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Effect of magnetic field on the decay kinetics of triplet luminescence of the self-trapped exciton perturbed by Tl+ ion in thallium-doped cesium halides.

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<mark>Journal publication date</mark>12/1996
<mark>Journal</mark>Solid State Communications
Issue number9
Volume100
Number of pages4
Pages (from-to)621-624
Publication StatusPublished
<mark>Original language</mark>English

Abstract

Decay kinetics of visible emission of thallium centre in CsCl:Tl, CsBr:Tl and CsI:TI crystals is studied in the magnetic field B // [001] at 0.35-0.45 K. Our previous interpretation of this emission as the triplet luminescence of the self-trapped exciton perturbed by Tl+ ion is confirmed. However, the detailed structure of the corresponding relaxed excited state is found to be much more complicated than that concluded before.