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Iron-related luminescence centers in ZnWO4 : Fe

Nagirnyi, V; Chernov, S; Grigorjeva, L; Jönsson, Leif LU ; Kirm, M; Kotlov, A; Lushchik, A; Millers, D; Nefedov, VA and Pankratov, V, et al. (2002) In Radiation Effects and Defects in Solids 157(6-12). p.1123-1126
Abstract
A systematic spectroscopic study of single ZnWO4 :Fe crystals with different iron concentrations has been performed under excitation by ultraviolet light, by synchrotron radiation or under photostimulation by near-infrared light. The luminescence of Fe3+-related centres has been studied. It is shown that iron centres of different types efficiently promote the formation of crystal defects at low temperatures. Electrons and holes can be trapped near Fe2+ or Fe3+ ions, which is further revealed in phosphorescence, thermostimulated or photostimulated luminescence. At room temperature the main effect of iron impurity is to reduce the light yield of a ZnWO4 scintillator.
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organization
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Contribution to journal
publication status
published
subject
keywords
ZnWO4 : Fe, impurity centres, tungstate crystals, luminescence
in
Radiation Effects and Defects in Solids
volume
157
issue
6-12
pages
1123 - 1126
publisher
Taylor & Francis
external identifiers
  • wos:000180483700093
  • scopus:4344711982
ISSN
1042-0150
DOI
10.1080/10420150215748
language
English
LU publication?
yes
id
374c4401-9a16-4eb9-8c94-98c50ab7f9f7 (old id 319673)
date added to LUP
2007-11-02 13:15:24
date last changed
2017-01-01 07:28:27
@article{374c4401-9a16-4eb9-8c94-98c50ab7f9f7,
  abstract     = {A systematic spectroscopic study of single ZnWO4 :Fe crystals with different iron concentrations has been performed under excitation by ultraviolet light, by synchrotron radiation or under photostimulation by near-infrared light. The luminescence of Fe3+-related centres has been studied. It is shown that iron centres of different types efficiently promote the formation of crystal defects at low temperatures. Electrons and holes can be trapped near Fe2+ or Fe3+ ions, which is further revealed in phosphorescence, thermostimulated or photostimulated luminescence. At room temperature the main effect of iron impurity is to reduce the light yield of a ZnWO4 scintillator.},
  author       = {Nagirnyi, V and Chernov, S and Grigorjeva, L and Jönsson, Leif and Kirm, M and Kotlov, A and Lushchik, A and Millers, D and Nefedov, VA and Pankratov, V and Zadneprovski, BI},
  issn         = {1042-0150},
  keyword      = {ZnWO4 : Fe,impurity centres,tungstate crystals,luminescence},
  language     = {eng},
  number       = {6-12},
  pages        = {1123--1126},
  publisher    = {Taylor & Francis},
  series       = {Radiation Effects and Defects in Solids},
  title        = {Iron-related luminescence centers in ZnWO4 : Fe},
  url          = {http://dx.doi.org/10.1080/10420150215748},
  volume       = {157},
  year         = {2002},
}