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Relationship between structure parameters and chemical properties in some MPS3 layered phases
Authors:R. Brec  G. Ouvrard  J. Rouxel
Affiliation:Laboratoire de Chimie des Solides, L.A. 279 2, rue de la Houssinière - 44072 Nantes Cedex, France
Abstract:
Cationic thermal motions in the MPS3 have been related to substitution abilities in this layer family. They have also been correlated to the crystal field stabilization energy. These considerations explain why some MPS3 materials may or may not undergo a low temperature substitution intercalation reaction. From interatomic distances comparisons, the bond between (PS3) groups in the anionic (P2S6)4? octahedra, is found to be easily stretched upon cation substitution. Cationic radii follows the expected variation according to their high spin configuration in octahedral sulfur environment.
Keywords:
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