Studies on mechanoluminescence from SrAl2O4:Eu, Dy phosphor

  • Yuan Hua Lin*
  • , Zhimin Dang
  • , Yuan Deng
  • , Ce Wen Nan
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Luminescence induced by mechanical stress has been observed in the SrAl2O4:Eu, Dy phosphors. The Dy3+ doping concentration and the loading pressure show strong influence on the intensity but the Eu2+ doped samples show little effect of mechanoluminescence (ML). The origin of the ML may be ascribed to the holes released due to the stress on the phosphors and then recombine with metastable Eu+1.

Original languageEnglish
Pages (from-to)20-22
Number of pages3
JournalMaterials Chemistry and Physics
Volume80
Issue number1
DOIs
StatePublished - 29 Apr 2003
Externally publishedYes

Keywords

  • Hole
  • Mechanoluminescence (ML)
  • Phosphor
  • Stress

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