Energy migration processes in undoped and Ce-doped multicomponent garnet single crystal scintillators
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21340%2F15%3A00235832" target="_blank" >RIV/68407700:21340/15:00235832 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.1016/j.jlumin.2015.05.015" target="_blank" >https://doi.org/10.1016/j.jlumin.2015.05.015</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.jlumin.2015.05.015" target="_blank" >10.1016/j.jlumin.2015.05.015</a>
Alternative languages
Result language
angličtina
Original language name
Energy migration processes in undoped and Ce-doped multicomponent garnet single crystal scintillators
Original language description
Multicomponent garnets (Y3-xGdxAl5-yGayO12) doped with Ce3+ ions are promising scintillators with a high density, fast response time and high light yield. To deepen the knowledge about the transfer stage of scintillation mechanism we discuss the energy migration and energy transfer processes in the set of undoped and Ce3+ activated multicomponent garnet single crystals. Temperature dependence of Gd3+ emission intensities as well as decay kinetics in Y3-xGdxAl5-yGayO12 (x,y=1,2,3) crystals point to the Gd3+->Gd3+ nonradiative energy migration, which is diffusion limited. Concentration quenching of Gd3+ emission occurs by energy migration to accidental impurities and/or structure defects. Temperature dependence of photoluminescence emission intensities and decay time measurements of Gd3+ as well as Ce3+ ions in Gd3Ga3Al2O12:Ce3+ single crystal reveal nonradiative energy transfer Gd3+->Ce3+ (including migration through Gd3+ sublattice) which is responsible for slow Ce3+ fluorescence decay component
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10306 - Optics (including laser optics and quantum optics)
Result continuities
Project
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Continuities
S - Specificky vyzkum na vysokych skolach
Others
Publication year
2015
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Journal of Luminescence
ISSN
0022-2313
e-ISSN
1872-7883
Volume of the periodical
166
Issue of the periodical within the volume
October
Country of publishing house
NL - THE KINGDOM OF THE NETHERLANDS
Number of pages
6
Pages from-to
117-122
UT code for WoS article
000359329900018
EID of the result in the Scopus database
2-s2.0-84930940107