Structural Study of Lead Orthophosphovanadates: Role of the Electron Lone Pairs in the Phase Transitions

• Published in: Journal of solid state chemistry Vol. 103; no. 2; pp. 490 - 503
• Main Authors: Kiat, Jean-Michel, Garnier, Pierre, Calvarin, Gilbert, Pinot, Marcel
• Format: Journal Article
• Language: English
• Published: San Diego, CA Elsevier Inc 01.04.1993; Elsevier
• Subjects: Condensed matter: structure, mechanical and thermal properties; Crystalline state (including molecular motions in solids); Crystallographic aspects of phase transformations; pressure effects; Exact sciences and technology; Physics; Structure of solids and liquids; crystallography; Heteropolysalt; Phosphates; Temperature; Bond length; Neutron diffraction; Experimental study; Solid solution; X ray diffraction; Inorganic compound; Phase transformation; Vanadates; Chemical composition; Crystalline structure

A structural investigation of the lead orthophosphovanadate compounds Pb3P2xV2(1-x)O8 has been performed using neutron and X-ray powder diffraction. Results obtained by a Rietveld analysis are presented and compared with previous data on "pure" lead vanadate (x = 0) and lead phosphate (x =...