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    STUDIA PHYSICA - Issue no. 2 / 2013  
         
  Article:   XPS AND XRD INVESTIGATION OF IRON DOPED NANOCRYSTALLINE HYDROXYAPATITE.

Authors:  S. SIMON. 		 
       
         
  Abstract:  This paper reports on some properties of pure and iron doped samples of hydroxyapatite composition prepared by coprecipitation method. The samples were characterized by X-ray photoelectron spectroscopy (XPS) and powder X-ray diffraction (XRD). The XPS results show on surface of both undoped and iron doped samples a Ca/P atomic ratio close to 1.67 typical for hydroxyapatite. According to XRD results, the addition of 0.1 wt % Fe2O3 promotes in the sample of pure hydroxyapatite composition the growth of nanocrystalline hydroxyapatite.

Keywords: hydroxyapatite, iron doping, XPS, XRD. 		 
         
     
         
         
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