Laser-induced time-resolved luminescence of natural sillimanite Al 2SiO 5 and synthetic Al 2SiO 5 activated by chromium

M. Gaft, W. Strek, L. Nagli, G. Panczer, G. R. Rossman, L. Marciniak

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

Luminescence of natural sillimanite Al 2SiO 5 was studied by a laser-induced time-resolved technique combined with absorption spectroscopy. It was found that two red broad emission bands are connected to Fe 3 and Cr 3 luminescence centers. Chromium participation in luminescence was proved by the study of synthetic sillimanite activated by Cr. Several narrow emission lines have been found which were preliminary ascribed to Mn 4 and V 2 luminescence centers.

Original languageEnglish
Pages (from-to)2855-2862
Number of pages8
JournalJournal of Luminescence
Volume132
Issue number11
DOIs
StatePublished - Nov 2012
Externally publishedYes

Keywords

  • Absorption
  • Cr
  • Luminescence
  • Mn
  • Sillimanite
  • V

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