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The features of energy transfer to the emission centers in ZnWO4 and ZnWO4:Mo. / Krutyak, N. R.; Mikhailin, V. V.; Vasil'Ev, A. N. и др.
в: Journal of Luminescence, Том 144, 2013, стр. 105-111.Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
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TY - JOUR
T1 - The features of energy transfer to the emission centers in ZnWO4 and ZnWO4:Mo
AU - Krutyak, N. R.
AU - Mikhailin, V. V.
AU - Vasil'Ev, A. N.
AU - Spassky, D. A.
AU - Tupitsyna, I. A.
AU - Dubovik, A. M.
AU - Galashov, E. N.
AU - Shlegel, V. N.
AU - Belsky, A. N.
N1 - Funding Information: The financial support from 7th FP INCO.2010-6.1 Grant agreement no. 266531 (Project SUCCESS), Mobilitas ESF program (Grant MTT83 ), Estonian Research Council − Institutional Research Funding IUT02-26 , RFBR 11-02-01506-а and BMBF Project RUS 10/037 grants is gratefully acknowledged. We are grateful to Dr. A. Kotlov for his assistance during experiments at the SUPERLUMI station. Copyright: Copyright 2013 Elsevier B.V., All rights reserved.
PY - 2013
Y1 - 2013
N2 - The process of energy transfer to the emission centers is studied in ZnWO4 and ZnWO4:Mo single crystals in the temperature range 10-300 K. A numerical simulation describing the process is presented; the temperature dependence of energy transfer efficiency to the intrinsic emission centers in ZnWO4 is shown to be defined by the modification of Onsager sphere radius. A competitive role of radiative relaxation channel related to the impurity of molybdenum is studied in ZnWO4:Mo. It is shown that below 60 K the energy transfer to the MoO6 emission centers by free charge carriers terminates due to the self-trapping of holes at WO6 complexes.
AB - The process of energy transfer to the emission centers is studied in ZnWO4 and ZnWO4:Mo single crystals in the temperature range 10-300 K. A numerical simulation describing the process is presented; the temperature dependence of energy transfer efficiency to the intrinsic emission centers in ZnWO4 is shown to be defined by the modification of Onsager sphere radius. A competitive role of radiative relaxation channel related to the impurity of molybdenum is studied in ZnWO4:Mo. It is shown that below 60 K the energy transfer to the MoO6 emission centers by free charge carriers terminates due to the self-trapping of holes at WO6 complexes.
KW - Cryogenic scintillator
KW - Energy transfer
KW - Luminescence
KW - Onsager sphere
KW - Zinc tungstate
UR - http://www.scopus.com/inward/record.url?scp=84880685090&partnerID=8YFLogxK
U2 - 10.1016/j.jlumin.2013.06.039
DO - 10.1016/j.jlumin.2013.06.039
M3 - Article
AN - SCOPUS:84880685090
VL - 144
SP - 105
EP - 111
JO - Journal of Luminescence
JF - Journal of Luminescence
SN - 0022-2313
ER -
ID: 27431156