Induced absorption phenomena, thermoluminescence and colour centres in KMgF3, BaLiF3 and LiCaAIF6 complex fluorides

Hiroki Sato, Kiyoshi Shimamura, Amina Bensalah, Natalia Solovieva, Alena Beitlerova, Anna Vedda, Marco Martini, Hiroshi Machida, Tsuguo Fukuda, Martin Nikl

Research output: Contribution to journalArticlepeer-review

25 Citations (Scopus)


KMgF3, BaLiF3 and LiCaAlF6 (LICAF) single crystals were grown by the Czochralski method under CF4 atmosphere. X-ray irradiation was used to carry out a comparative study of induced optical absorption phenomena and colour centre creation in the vacuum-ultra-violet (VUV), ultra-violet and visible spectral regions. In the case of LiCAF, the X-ray induced absorption peak at 262 nm can be ascribed to F centre. The integral of the induced absorption spectra is significantly lower in LiCAF with respect to the other studied materials; moreover, LiCAF shows stable VUV transmission characteristics and the most resistant surface toward what is regarded as the damage due to reaction with air atmosphere.

Original languageEnglish
Pages (from-to)2028-2033
Number of pages6
JournalJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Issue number4
Publication statusPublished - 2002 Apr


  • BaLiF
  • Colou r centre
  • Induced absorption
  • KMgF
  • LiCaAlF
  • Lithography
  • Radiation damage
  • Thermoluminescence
  • X-ray

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)


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