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The electronic structure of CaZr4(PO4)6 was calculated using the CASTEP code and the band gap for CaZr4(PO4)6 can reach up to 4.30eV. Ca1−xEuxZr4(PO4)6 (0.01⩽x⩽1) samples were prepared by a high temperature solid-state reaction method. XRD analysis shows that Eu2+ ion can be totally incorporated into CaZr4(PO4)6 forming complete solid solutions with trigonal lattice. Ca1−xEuxZr4(PO4)6 (0.01⩽x⩽1)...
Mn2+ doped Zn3(PO4)2 phosphate exhibits a rich thermal history with numerous events. Following the dehydration of Zn3(PO4)2⋅4H2O hopeite at temperatures up to T=400°C, various allotropic forms α/δ→γ→β can be stabilized with irreversible transitions for a 600°C⩽T⩽1000°C temperature range. Furthermore, in these different networks, a transition metal can occupy distorted tetrahedral (α/δ forms) and pentahedral...
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