Synthesis of substitutional solid solutions in Na2O-P2O5-In2O3-M
2
III
O3 (MIII = Cr, Fe, and Mn) systems |
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| Authors: | A P Ivanenko P G Nagorny R S Boiko Z I Kornienko |
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| Institution: | 1. Vernadsky Institute of General and Inorganic Chemistry, National Academy of Sciences of Ukraine, Kiev, Ukraine
2. Shevchenko National University, Kyiv, Ukraine
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| Abstract: | Solid solutions based on Na7(InP2O7)4PO4 and Na3In2(PO4)3, where chromium, iron, and manganese substitute for indium, have been prepared. When chromium and iron substitute for indium in Na7(InP2O7)4PO4, a continuous solid solution series exists. When manganese substitutes for indium, it enters the compound in the oxidation state +3. The substitution of chromium for indium in Na3In2(PO4)3 occurs within the range from 0.11 to 0.74 (mol/mol), and that of iron for indium, from 0.09 to 0.62 (mol/mol). When manganese substitutes for indium, it enters the structure of the crystalline phase in insignificant amounts as a two-charged cation. |
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