Journal
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
Volume 26, Issue 4-5, Pages 509-513Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jeurceramsoc.2005.07.019
Keywords
powders-chemical preparation; x-ray methods; chemical properties apatite
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The solid solutions in the systems of Ca-Cd HAp [Ca(10-x)Cd(x)HAp (x = 0-10)], Ca-Sr HAp [Ca(10-x)Sr(x)HAp (x = 0-10)] and Ca-Pb HAp [Ca(10-x)Pb(x)HAp (x = 0-10)], were successfully synthesized at 200 degrees C for 12h under hydrothermal conditions. The site of the metal ions in, and ;the solid solutions was analyzed by the Rietveld method. The results of the Rietveld analysis indicated that the metal ions of Ph2+, Sr2+, and Cd2+ all preferentially occupied M (2) sites in the apatite structure. The preferential occupancy of the metal ions in M (2) sites were explained mainly by their ionic radius and electronegativity. (c) 2005 Elsevier Ltd. All rights reserved.
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