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Indirect energy transfer of Ce3+ → Eu2+ in CaAl12O19 phosphor

Title
Indirect energy transfer of Ce3+ → Eu2+ in CaAl12O19 phosphor
Authors
Jeon H.S.Kim S.K.Kim S.C.Park S.H.Park H.L.Mho S.-I.
Ewha Authors
김성구
SCOPUS Author ID
김성구scopusscopus
Issue Date
1997
Journal Title
Solid State Communications
ISSN
0038-1098JCR Link
Citation
Solid State Communications vol. 102, no. 7, pp. 555 - 559
Indexed
SCI; SCIE; SCOPUS scopus
Document Type
Article
Abstract
Photoluminescence characteristics and the energy transfer between Ce3+ and Eu2+ in CaAl12O19 host lattice have been investigated. A series of concentrations of Ce3+ ion with a fixed Eu2+ concentration in doubly doped CaAl12O19 : Ce3+Eu2+ have been studied. The indirect energy transfer has been observed between Ce3+ and Eu2+ through the Ce3+-UMe complex in CaAl12O19 host lattice. The two nonradiative relaxation processes from the excited levels of Ce3+-OMe complex; one, to the lower emitting level of Ce3+-OMe complex themselves and the other, to the Eu2+ site are competing processes. © 1997 Elsevier Science Ltd.
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자연과학대학 > 물리학전공 > Journal papers
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