The synthesis of large single crystals with
good optical quality which is a preliminary condition for the practical
applications of these materials frequently is complicated. It is found that
large LuVO4 single crystals with high optical quality are possible to be
prepared using high temperature solution growth method. It is obtained by X-ray
crystallographic analysis that the grown crystals possess centrosymmetric
tetragonal structure with the point group symmetry D4h and space group I41/amd
(zircon-type structure). The unit cell parameters of a = 7.0236 Å, b = 7.0236
Å, c = 6.2293 Å, volume = 307.30(3) Å3 are measured. The crystals composition
as well as vanadium oxidation state were measured in order to confirm that the
crystal phase is mainly LuVO4. Optical transmission and Raman Spectroscopy are
further performed on LuVO4 single crystal to reveal the optical quality and
structure details
Source:IOPscience
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