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http://dx.doi.org/10.4191/KCERS.2006.43.2.126

Characterization and Synthesis of Nano-Sized Hydroxyapatite Powder by Microwave-Hydrothermal Method  

Han, Jae-Kil (School of Advanced Materials Engineering, Kongju National University)
Lee, Chi-Woo (School of Advanced Materials Engineering, Kongju National University)
Lee, Byong-Taek (School of Advanced Materials Engineering, Kongju National University)
Publication Information
Journal of the Korean Ceramic Society / v.43, no.2, 2006 , pp. 126-130 More about this Journal
Abstract
Nano-sized hydroxyapatite (HAp) powders were synthesized by a microwave-hydrothermal method using $H_3PO_4\;and\;Ca(OH)_2$ as starting materials. The applied microwave powers and mole ratio of Ca/P were served as powerful factors in the synthesis of calcium phosphate. In the case of relatively low microwave power of 450 Wand Ca/P ratio of 1.57, the mixed calcium phosphate compounds were detected in the synthesized powders. But in the case of running at 550 Wand 1.67(Ca/P), the synthesized powder showed the monophase of HAp having two kinds of morphologies. One was a needle shape with $5\~15\;nm$ in width and $20\~50\;nm$ in length, and the other was a spherical shape of $10\~40\;nm$ in diameter.
Keywords
Biomaterial; Nanomaterilas; Microwave-hydrothermal; Hydroxyapatite;
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