X-ray damage characterization in BaLiF3,KMgF3 and LiCaAlF6 complex fluorides

H. Sato, A. Bensalah, N. Solovieva, A. Beitlerova, A. Vedda, M. Martini, M. Nikl, T. Fukuda

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16 Citations (Scopus)


Two-inch sized KMgF3,BaLiF3 and LiCaAlF6 (LiCAF) single crystals were grown by the Czochralski method under a CF 4 atmosphere. X-ray irradiation was used to carry out a comparative study of induced optical absorption phenomena and colour centre creation in the ultra-violet and visible spectral regions. The integral of the induced absorption spectra is significantly lower in LiCAF with respect to the other studied materials. It is found that the amplitude of the F-absorption band is suppressed more than a factor of 3 by Mg-doping. For Mg-doped crystals, the optimum doping concentration is about 0.2 mol% of Mg2+.

Original languageEnglish
Pages (from-to)463-466
Number of pages4
JournalRadiation Measurements
Issue number4-6
Publication statusPublished - 2004 Aug


  • Colour centre
  • Fluoride crystal
  • Induced absorption
  • Window material


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