Green synthesis of magnesium ion incorporated nanocrystalline hydroxyapatite and their mechanical, dielectric and photoluminescence properties

Highlights: • Rapid technique to synthesize nanorods of magnesium ion incorporated hydroxyapatite. • Enhanced electrical and mechanical properties. • Improved photoluminescence and wettability on magnesium incorporation. • Increased in vitro bioactivity. - Abstract: Nanocrystalline hydroxyapatite (H...

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Bibliographic Details
Published in:Materials research bulletin 2015-07, Vol.67, p.55-62
Main Authors: Arul, K. Thanigai, Kolanthai, Elayaraja, Manikandan, E., Bhalerao, G.M., Chandra, V. Sarath, Ramya, J. Ramana, Mudali, U. Kamachi, Nair, K.G.M., Kalkura, S.Narayana
Format: Article
Language:English
Subjects:
APATITES
CERAMICS
CRYSTALS
DIELECTRIC MATERIALS
FLUORESCENCE SPECTROSCOPY
FOURIER TRANSFORM SPECTROMETERS
MAGNESIUM
MAGNESIUM IONS
MICROHARDNESS
NANOSCIENCE AND NANOTECHNOLOGY
NANOSTRUCTURES
PERMITTIVITY
PHOTOLUMINESCENCE
TRANSMISSION ELECTRON MICROSCOPY
WETTABILITY
X-RAY DIFFRACTION
X-RAY FLUORESCENCE ANALYSIS
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Summary:Highlights: • Rapid technique to synthesize nanorods of magnesium ion incorporated hydroxyapatite. • Enhanced electrical and mechanical properties. • Improved photoluminescence and wettability on magnesium incorporation. • Increased in vitro bioactivity. - Abstract: Nanocrystalline hydroxyapatite (HAp-Ca{sub 10}(PO{sub 4}){sub 6}(OH){sub 2,} 35 nm) and magnesium (Mg{sup 2+}) ion incorporated HAp were synthesized by microwave technique. XRD (X-ray diffraction), FTIR (Fourier transform infrared spectroscopy), FE-HRTEM (Field emission high resolution transmission electron microscopy), DLS (dynamic light scattering), EDXRF (energy dispersive X-ray fluorescence spectrometry), microhardness, permittivity and alternating current (ac) conductivity, besides the PL (photoluminescence), wettability and in vitro bioactivity of the samples were analysed. EDXRF revealed the Mg{sup 2+} ion incorporation in HAp. The Mg{sup 2+} ion incorporation did not alter the phase but drastically reduced the crystallite size and particle size respectively by 48% and 32%. There was enhanced microhardness (24%) at low level (
ISSN:0025-5408
1873-4227
DOI:10.1016/j.materresbull.2015.02.054