Sur de nouvelles phases séléniées ternaires du molybdène |
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Authors: | Marcel Sergent Roger Chevrel |
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Institution: | Université de Rennes, U. E. R. “Structure et Propriétés de la Matière” Laboratoire de Chimie Minérale B, Equipe de Recherche Associée au C. N. R. S. Avenue du Général Leclerc—35—Rennes, France |
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Abstract: | The synthesis and the crystal properties of new selenides of formula MxMo3Se4 are described. If M = Zn, Ag, Cd, Sn and Pb, they are stoichiometric with x = 0.6; if M = Fe, Mn, Cr, V, Ti, triclinic solid solutions are observed with 0.5 < x < 0.7; if M = Cu, Co, Ni, rhombohedral solid solutions are obtained with 0 < x < 1.4 for M = Cu, 0 < x < 0.7 for M = Co and 0 < x < 0.8 for M = Ni All these phases can be deduced from the Mo3Se4 structure by introducing metal atoms into the tunnels between the “Mo6Se8” metal atom cluster configuration. |
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