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Structure and mutual transformations of anhydrous and hydrous CsMgPO4 |
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| Authors: | E Yu Borovikova D A Ksenofontov Yu K Kabalov V S Kurazhkovskaya S Yu Stefanovich I V Korchemkin E A Asabina |
| Institution: | 1. Faculty of Geology, Moscow State University, Moscow, 119991, Russia 2. Faculty of Chemistry, Moscow State University, Moscow, 119991, Russia 3. Faculty of Chemistry, Lobachevsky State University of Nizhni Novgorod, pr. Gagarina 23, Nizhni Novgorod, 603022, Russia |
| Abstract: | A complex study of the synthetic CsMgPO4 phosphate with a ??-tridymite structure type is performed. It is found that CsMgPO4 is an unstable phase. At room temperature in air, it absorbs water and turns into the CsMgPO4 · 6H2O crystal hydrate. The transformation of cubic CsMgPO4 · 6H2O into orthorhombic CsMgPO4 proceeds upon heating to 150°C by the pattern of the first-order phase transition with the dehydration of the specimen. |
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