Synthesis and spectroscopic properties of multiferroic β′-Tb2(MoO4)3

•Orthorhombic terbium molybdate, β′-Tb2(MoO4)3 have been fabricated.•The crystal structure β′-Tb2(MoO4)3 has been refined by Rietveld method.•The Raman and luminescence spectrum of β′-Tb2(MoO4)3 has been measured. Orthorhombic terbium molybdate, β′-Tb2(MoO4)3, microcrystals have been fabricated by s...

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Bibliographic Details
Published in:Optical materials 2014-08, Vol.36 (10), p.1631-1635
Main Authors: Atuchin, V.V., Aleksandrovsky, A.S., Chimitova, O.D., Krylov, A.S., Molokeev, M.S., Bazarov, B.G., Bazarova, J.G., Xia, Zhiguo
Format: Article
Language:English
Subjects:
Optical properties
Raman spectrum
Terbium molybdate
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Summary:•Orthorhombic terbium molybdate, β′-Tb2(MoO4)3 have been fabricated.•The crystal structure β′-Tb2(MoO4)3 has been refined by Rietveld method.•The Raman and luminescence spectrum of β′-Tb2(MoO4)3 has been measured. Orthorhombic terbium molybdate, β′-Tb2(MoO4)3, microcrystals have been fabricated by solid state synthesis at T=750–1270K for t=290h. The crystal structure β′-Tb2(MoO4)3 has been refined by Rietveld method in space group Pba2 with cell parameters of a=10.35387(6), b=10.38413(6) and c=10.65695(7) Å (RB=1.83%). About 40 narrow Raman lines have been observed in the Raman spectrum recorded for the β′-Tb2(MoO4)3 powder sample. The luminescence spectrum of β′-Tb2(MoO4)3 has been measured under the excitation at 355nm, and the intensive photoluminescence band at 540–550nm has been found.
ISSN:0925-3467
1873-1252
DOI:10.1016/j.optmat.2013.12.008