Luminescence and excited state dynamics of Bi3+ centers in Y2O3.

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F15%3A00451486" target="_blank" >RIV/68378271:_____/15:00451486 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1016/j.jlumin.2015.06.029" target="_blank" >http://dx.doi.org/10.1016/j.jlumin.2015.06.029</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.jlumin.2015.06.029" target="_blank" >10.1016/j.jlumin.2015.06.029</a>

Result language
angličtina
Original language name
Luminescence and excited state dynamics of Bi3+ centers in Y2O3.
Original language description
Photoluminescence of Y2O3:Bi nanopowder is studied using time-resolved luminescence spectroscopy. Bi3+ ions are substituted for Y3+ ions in two different crystal lattice sites. The luminescence characteristics of these two centers are found to have strongly different electron-phonon interactions. The luminescence of Bi(S6) and Bi(C2) centers peak at 3.04 eV and 2.41 eV, respectively, and arise from the radiative decay of the triplet relaxed excited state (RES) of Bi3+ ions. The model and structure of the RES, responsible for the luminescence of these centers in Y2O3:Bi, as well as radiative and nonradiative processes, taking place in the excited states of these centers, are investigated. The parameters of the triplet RES are determined. Low-temperaturequenching of the triplet luminescence of these centers is explained.
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
BH - Optics, masers and lasers
OECD FORD branch
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Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2015
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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