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Vol. 1, No. 2 (Summer 2015) 18-23   

Link: http://www.acerp.ir/Vol1/No2/4.pdf
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  Titanium and Fluoride Co-substitution in Hydroxyl Apatite
F. Asjadi, E. Salahi and I. Mobasherpour
( Received: February 22, 2015 – Accepted: April 18, 2015 )

Abstract    Titanium and fluoride-containing hydroxyl apatite were synthesized through precipitation method following by a hydrothermal stage at 100oC for 6 hours. XRD analysis of the sample scalcinedat650oC for 1 hour revealed that all samples have pure apatite structure. The existence of Fluoride substitution in apatite structure was confirmed by FTIR(Fourier Transform Infrared Spectroscopy) analysis. Surfaces of the samples were studied by zeta potential measurements. Investigating  cell parameter and also FWHM (Full Width at Half Maximum) of phosphate v1 peak in Raman spectra showed some different behaviour  in  samples with titanium and high fluoride concentration  attributed to different position of titanium in these samples. Scanning electron microscopy (SEM) was used for investigating the morphology of  samples. The Morphology of  particles  was not affected by  adding titanium and fluoride.


Keywords    Ti containing hydroxyapatite, fluorohydroxyapatite, surface charges, nano structures.


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