Spectroscopic characterization of nanohydroxyapatite synthesized by molten salt method

abstract

Hydroxyapatite (HAP) nanopowders were synthesized by molten salt method at 260 degrees C. The as-prepared powders were characterized by Fourier transform infrared spectroscopy (FT-IR). X-ray diffraction (XRD), scanning electron microscope (SEM) and thermo gravimetric analysis (TGA). With the aid of the obtained results the effect of calcining time on the crystallinity, size and morphology of HAP nanopowders is presented. The HAP nanopowders synthesized by molten salt method consist of pure phase of HAP without any impurities and showed the rod-like morphology without detectable decomposition up to 1100 degrees C. (C) 2010 Elsevier B.V. All rights reserved.

keywords

HYDROTHERMAL SYNTHESIS; HYDROXYAPATITE; BIOCERAMICS; PRECURSOR

subject category

Spectroscopy

authors

Gopi, D; Indira, J; Kavitha, L; Kannan, S; Ferreira, JMF

our authors

acknowledgements

One of the authors D. Gopi acknowledges the financial support from the Department of Science and Technology (DST-SERC, Ref. No: SR/FTP/ETA-04/2009) New Delhi, India and the Tamil Nadu State Council for Science and Technology (TNSCST), Tamil Nadu, India. Also L Kavitha acknowledges the financial support from ICTP, Italy in the form of Junior Associateship. The support from CICECO, University of Aveiro, Portugal, is also acknowledged.

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