Lattice dynamics of LuPO4

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Argonne Natl Lab, Argonne, United States [1 ]
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J Alloys Compd | / 1 -2 pt 2卷 / 573-576期
关键词：
Lattice dynamic shell model - Lutetium orthophosphates - Neutron spectroscopy;
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摘要：
Lutetium orthophosphate is an important nonmagnetic host material for rare-earth activated luminescence applications. We have measured the LuPO4 phonon density of states and dispersion curves along the [ξ00], [ξξ0] and [00ξ] symmetry directions by neutron spectroscopy using polycrystalline and single crystal samples. A quantitative analysis of the neutron results was carried out using a lattice dynamic shell model.
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