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Temperature dependence of luminescence of LiF crystals doped with different metal oxides

  • Tomsk State University of Architecture and Building
  • University of Tartu
  • L.N. Gumilyov Eurasian National University
  • Tomsk Polytechnic University

Research output: Contribution to journalArticlepeer-review

Abstract

Photoluminescence and cathodoluminescence of LiF crystals doped with different binary metal oxides were measured in the wide temperature range of 50-300 K and time interval of 10-8-10-1s after the nanosecond elec-tron excitation pulse. Both as-grown those and crystals irradiated by an electron beam in range of absorbed dose up to 103 Gy were studied. It is shown that spectral-kinetic characteristics of the luminescence depend on the absorbed dose (type of created/accumulated color centers), the irradiation temperature, the concentration of hydroxyl, which promotes incorporation of the MeO complex (Me: W, Ti, Fe, Li) into the crystal lattice, and the cation-dopants.

Original languageEnglish
Pages (from-to)1450-1455
Number of pages6
JournalFizika Nizkikh Temperatur
Volume46
Issue number12
Publication statusPublished - Dec 2020

Keywords

  • Electron irradiation
  • Luminescence
  • Spectral-kinetic parameters

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