Cathodoluminescence of iodine dimers in KCl: I crystals

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Abstract

Radiative characteristics of localized exciton states in a KCl:I crystal have been studied in the temperature range 27-200 K by pulsed optical spectroscopy with nanosecond-range time resolution. Besides the bands investigated earlier in KCl:I crystals at impurity concentrations above 0.1 mol %, a strong band peaked at 3.8 eV was detected. The temperature dependences of the decay times, amplitude values of the intensity, and light sums of the 3.8- and 3.4-eV bands were studied. These bands are shown to originate from radiative decay of localized excitons bound to the impurity dimers.

Original languageEnglish
Pages (from-to)401-404
Number of pages4
JournalOptics and Spectroscopy (English translation of Optika i Spektroskopiya)
Volume98
Issue number3
DOIs
Publication statusPublished - Mar 2005

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ASJC Scopus subject areas

  • Spectroscopy
  • Atomic and Molecular Physics, and Optics

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