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Title: A luminescence spectroscopy study of scintillation crystals SrI 2 doped with Eu 2+
Authors: Pustovarov, V. A.
Ogorodnikov, I. N.
Goloshumova, A. A.
Isaenko, L. I.
Yelisseyev, A. P.
Пустоваров, В. А.
Issue Date: 2012
Citation: A luminescence spectroscopy study of scintillation crystals SrI 2 doped with Eu 2+ / V. A. Pustovarov, I. N. Ogorodnikov, A. A. Goloshumova, L. I. Isaenko, A. P. Yelisseyev // Optical Materials. — 2012. — Vol. 34. — № 5. — P. 926-930.
Abstract: We report experimental study of luminescent properties of modern scintillation material SrI 2:Eu 2+ carried out over the temperature range from 9 to 450 K by the means of the ultraviolet and vacuum ultraviolet spectroscopy with a time resolution. Photoluminescence of the Eu 2+ ions at 2.85 eV was studied under both the intracenter and interband excitations, including an X-ray excitation. The bandgap of the SrI 2 crystal has been estimated on the basis of the obtained results. In the temperature range below 100 K the intrinsic luminescence at 3.4 eV was revealed and this emission band was assigned by its properties to the luminescence of self-trapped anionic excitons in SrI 2. The pronounced manifestation of the effect of multiplication of electronic excitations was revealed in the energy range above 2E g. © 2011 Elsevier B.V. All rights reserved.
Keywords: EUROPIUM
Access: info:eu-repo/semantics/restrictedAccess
SCOPUS ID: 84856227020
WOS ID: 000300860700033
PURE ID: 1087658
ISSN: 0925-3467
DOI: 10.1016/j.optmat.2011.12.012
Appears in Collections:Научные публикации, проиндексированные в SCOPUS и WoS CC

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