Time-resolved luminescence spectroscopy of LiF(U) crystals

V. Yu Yakovlev, A. V. Moiseeva

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

We studied the luminescence spectra and decay kinetics of LiF(U) crystals excited by pulsed laser radiation (λ = 337 nm) in temperature range of 15-300 K. Two groups of lines with different exponential decay times are revealed in spectra. Based on comparative analysis of fast and slowly decaying luminescence spectra, temperature dependences of decay time constants, and line intensities, we conclude that electronic transitions from radiation levels of the impurity luminescence center can occur, not only in a vibrationally relaxed state, but also in a state with an excited high-frequency mode in O-U-O bonds.

Original languageEnglish
Pages (from-to)734-739
Number of pages6
JournalOptics and Spectroscopy (English translation of Optika i Spektroskopiya)
Volume110
Issue number5
DOIs
Publication statusPublished - May 2011

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics

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