Incorporation of Uranium in Zirconolite (CaZrTi2O7)

Up to 0.15 formula unit (f.u.) of U4+ incorporated in the Zr site of zirconolite by firing CaUxZr(1−x)Ti2O7 compositions in argon at 1400°C allows retention of the 2M polytype. Further U4+ substitution for Zr, up to 0.4 f.u., produces the 4M polytype (containing ∼0.4 f.u. of U) plus the 2M polytype...

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Veröffentlicht in:	Journal of the American Ceramic Society 2002-07, Vol.85 (7), p.1853-1859
Hauptverfasser:	Vance, Eric R., Lumpkin, Gregory R., Carter, Melody L., Cassidy, David J., Ball, Cliff J., Day, R. Arthur, Begg, Bruce D.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Condensed matter: structure, mechanical and thermal properties Defects and impurities in crystals microstructure Doping and impurity implantation in other materials Exact sciences and technology Physics Pollution Radioactive wastes Structure of solids and liquids crystallography uranium/uranium compounds Wastes zirconium/zirconium compoounds
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