Effects of doped oxygen on ZnWO4 crystal luminescence

V. M. Lisitsyn, Zh T. Karipbayev, L. A. Lisitsyna, A. K. Dauletbekova, I. A. Tupitsyna, A. T. Akilbekov, M. V. Zdorovets

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The results of the study of the spectral characteristics and photo cathodoluminescence zinc tungstate crystals subjected to heat treatment in an oxygen atmosphere, or flows of high-energy irradiation of oxygen ions. It was observed that additional introduction of oxygen leads to decline in luminescence's effectiveness. It was discovered, that introduction of oxygen by thermal processing leads to changes in excitation spectrum. Decline of excitation effectiveness proportional to increase of excitation quanta energy from 4.5 to 6.5 eV was observed; in the meantime, in the unprocessed crystals it declined by only 25-30%. The effect can be explained by destruction of complex defects with luminescence centers during introduction of additional oxygen. It was demonstrated, that characteristic oxygen's depth of entry during thermal processing is 20 nm.

Original languageEnglish
Title of host publicationAdvanced Materials for Technical and Medical Purpose
PublisherTrans Tech Publications Ltd
Pages345-350
Number of pages6
Volume712
ISBN (Print)9783035710649
DOIs
Publication statusPublished - 2016
EventWorkshop on Advanced Materials for Technical and Medical Purpose, AMTMP-2016 - Tomsk, Russian Federation
Duration: 15 Feb 201617 Feb 2016

Publication series

NameKey Engineering Materials
Volume712
ISSN (Print)10139826

Conference

ConferenceWorkshop on Advanced Materials for Technical and Medical Purpose, AMTMP-2016
CountryRussian Federation
CityTomsk
Period15.2.1617.2.16

Keywords

  • Complex defects
  • Nanodefects
  • Oxygen
  • Photoluminescence
  • Pulsed cathodoluminescence
  • Zinc tungstate

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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  • Cite this

    Lisitsyn, V. M., Karipbayev, Z. T., Lisitsyna, L. A., Dauletbekova, A. K., Tupitsyna, I. A., Akilbekov, A. T., & Zdorovets, M. V. (2016). Effects of doped oxygen on ZnWO4 crystal luminescence. In Advanced Materials for Technical and Medical Purpose (Vol. 712, pp. 345-350). (Key Engineering Materials; Vol. 712). Trans Tech Publications Ltd. https://doi.org/10.4028/www.scientific.net/KEM.712.345