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Effect of swift heavy ion irradiation on hydrothermally synthesized hydroxyapatite ceramics |
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| Authors: | S Prakash Parthiban EK Girija PK Kulriya F Singh A Tripathi D Kanjilal TP Singh S Narayana Kalkura |
| Affiliation: | a Crystal Growth Centre, Anna University, Chennai 600 025, India b Inter University Accelerator Centre, P.O. Box 10502, New Delhi 110 067, India c Department of Biophysics, All India Institute of Medical Sciences, New Delhi 110 029, India d Graduate School of Engineering, Department of Intelligent Materials Engineering, Osaka City University (OCU), Osaka 558-8585, Japan |
| Abstract: | The effect of swift heavy ion irradiation on hydroxyapatite (HAp) ceramic - a bone mineral was investigated. The irradiation experiment was conducted using oxygen ions at energy of 100 MeV with three different fluences of 1012, 1013, 1014 ions/cm2. The irradiated samples were characterized by glancing angle X-ray diffraction (GXRD), atomic force microscopy (AFM), dynamic light scattering (DLS), photoluminescence spectroscopy (PL), scanning electron microscopy (SEM) and energy dispersive X-ray analysis (EDAX). GXRD confirmed incomplete amorphisation of HAp with increase in fluence. There was considerable reduction in particle size on irradiation leading to nanosized HAp (upto 53 nm). PL studies showed emission in the visible wavelength region. The irradiated samples exhibited better bioactivity than the pristine HAp. |
| Keywords: | 87 15 &minus v |
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