Scintillator materials - Achievements, opportunities, and puzzles

M. Nikl, E. Mihokova, J. Pejchal, A. Vedda, M. Fasoli, I. Fontana, V. V. Laguta, V. Babin, K. Nejezchleb, A. Yoshikawa, H. Ogino, G. Ren

Research output: Contribution to journalArticlepeer-review

63 Citations (Scopus)


Participation of shallow and deep traps in the processes of energy transfer and capture is studied by means of timeresolved emission spectroscopy and thermoluminescence in several groups of the Ce3+ and Pr3+ -doped complex oxide single crystal scintillators. Tunnelling-driven recombination processes are distinguished in all the groups of examined materials: closely spaced electron and hole traps give rise to the t -1 phosphorescence decays at low temperatures in the Ce-doped aluminum garnets and perovskites, while thermally assisted tunneling process is proposed to explain temperature Independent trap depth in glow curve peaks within 50-250°C in Ce-doped lutetium orthosilicates.

Original languageEnglish
Article number4545180
Pages (from-to)1035-1041
Number of pages7
JournalIEEE Transactions on Nuclear Science
Issue number3
Publication statusPublished - 2008 Jun


  • LuAG:Ce
  • LuAG:Pr
  • LuYAP:Ce and LYSO:Ce single crystals
  • Points defects and traps
  • Scintillators


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