Laser-induced time-resolved luminescence of minerals

M. Gaft, R. Reisfeld, G. Panczer, Ph Blank, G. Boulon

Research output: Contribution to journalArticlepeer-review

63 Scopus citations

Abstract

Laser-induced time-resolved spectroscopy of natural apatite, scheelite, zircon, calcite and fluorite enables the detection of the luminescence centers, which under steady-state conditions cannot be spectroscopically separated. By applying time-resolved spectroscopy we are able to determine rare-earth elements, luminescence of which has been previously hidden by the stronger bands of Eu2+, Mn2+, (WO4)4-, (MoO4)4- and radiation-induced centers. Luminescence of Pr3+, Tm3+ and Er3+ have been detected for the first time in minerals, also in presence of interfering ions, namely, Sm3+, Dy3+ and Tb3+ with similar emission spectra.

Original languageEnglish
Pages (from-to)2163-2175
Number of pages13
JournalSpectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy
Volume54
Issue number13
DOIs
StatePublished - Nov 1998
Externally publishedYes

Keywords

  • Apatite
  • Calcite
  • Fluorite
  • Laser-induced luminescence
  • Scheelite
  • Time-resolved spectra
  • Zircon

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