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1999 | 95 | 3 | 343-349
Article title

Vibration and Luminescence Spectroscopic Investigations of the Alkali Rare Earth Double Phosphates M_{3}(RE,Eu)(PO_{4})_{2} (M=K, Rb; RE=La, Gd)

Content
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Languages of publication
EN
Abstracts
EN
The room temperature IR- and Raman spectra of the different M_{3}RE(PO_{4})_{2} (M = K, Rb; RE = La, Eu, Gd) double phosphates were analysed and used to interpret the vibronic side band structure in the photoluminescence spectra. The intraconfigurational 4f-4f electronic transitions in the photoluminescence spectra of the Eu^{3+} doped M_{3}RE(PO_{4})_{2} were analysed in detail. The crystal field fine structure of the ^{5}D_{0} → ^{7}F_{J} (J=0-4) transitions was analysed accounting for the information on the crystal structure. The effect of the temperature as well as the alkali host cation was evaluated. Finally, a preliminary crystal field energy level scheme for the ^{7}F_{J} (J=0-4) ground term was deduced from the analysis of the photo-luminescence as well as IR- and Raman spectra.
Keywords
Year
Volume
95
Issue
3
Pages
343-349
Physical description
Dates
published
1999-03
received
1998-08-22
(unknown)
1999-01-12
References
Document Type
Publication order reference
YADDA identifier
bwmeta1.element.bwnjournal-article-appv95z305kz
Identifiers
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