Product evolution in the Np(IV) fluorophosphate system

The reaction of 237NpO 2 with Cs 2CO 3, Ga 2O 3, H 3PO 4, and HF under mild hydrothermal conditions leads to the formation of NpFPO 4 after 4 days at 180 °C. Heating at 180 °C for an additional 6 days leads to the crystallization of Cs 2Np 2F 7PO 4 and NpF 4. The Ga 2O 3 forms a GaPO 4 matrix in whi...

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Bibliographic Details
Published in:	Journal of solid state chemistry Vol. 180; no. 1; pp. 70 - 74
Main Authors:	Bray, Travis H., Sullens, Tyler A., Shvareva, Tatiana Y., Sykora, Richard E., Haire, Richard G., Albrecht-Schmitt, Thomas E.
Format:	Journal Article
Language:	English
Published:	San Diego, CA Elsevier Inc 01-01-2007 Elsevier
Subjects:	CESIUM CARBONATES Condensed matter: structure, mechanical and thermal properties CRYSTALLIZATION CRYSTALLOGRAPHY Exact sciences and technology GALLIUM OXIDES HEATING HYDROFLUORIC ACID INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY MONOCLINIC LATTICES MONOCRYSTALS Neptunium crystal structure Neptunium fluoride NEPTUNIUM FLUORIDES Neptunium fluorophosphaste Neptunium phosphate ORTHORHOMBIC LATTICES PHOSPHATES PHOSPHORIC ACID Physics SPACE GROUPS Structure of solids and liquids; crystallography Structure of specific crystalline solids TEMPERATURE RANGE 0400-1000 K Neptunium phosphate Neptunium crystal structure Neptunium fluorophosphaste Neptunium fluoride Phosphates Space groups Crystallization Ternary alloys Fluorides Monoclinic lattices Neptunium Heat treatments Gallium oxides Monocrystals Actinides Hydrothermal synthesis Impurities Three dimensional structure Hafnium Orthorhombic lattices IV characteristic Crystal structure
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