Journal
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
Volume 22, Issue 12, Pages 1991-1994Publisher
ELSEVIER SCI LTD
DOI: 10.1016/S0955-2219(01)00521-0
Keywords
crystal structure; Rietveld refinement; sol-gel processes; vanadium distribution; ZrSiO4
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Vanadium-containing zircon gel precursors with nominal compositions V-x-ZrSiO4 with x=0.0, 0.004, 0.01, 0.04 and 0.2 were prepared by a previously reported colloidal sol-gel technique and annealed for 30 h at 1400 degreesC. The Rietveld refinement of the structures by X-ray powder diffraction confirms previous results concerning the limit of solubility of V+4 in the zircon structure. The new finding regarding with the entry of V+4 in the Zr+4 site for zircon doped with high contents of vanadium is in accordance with reported results. (C) 2002 Elsevier Science Ltd. All rights reserved.
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