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Análise por difração de raio-x de uma hidroxiapatita carbonatada usando o método de Rietveld

The crystal structure of hydroxyapatite (HAP) is known to permit a great variety of substitutions anionic and cationic. Among these substitutions, the insertion of CO32- group is emphasized for its importance in biomaterial applications. In this work, a synthetic sample of nanostructure carbonated hydroxyapatite (CHA) was submitted to thermal treatment at 500ºC for 6 h. Later the...