Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 469, Issue 1-2, Pages 391-394Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2008.01.116
Keywords
Ceramics; Nanostructured materials; Chemical synthesis; Nanofabrication
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Hydroxyapatite (HAp) nanostrips were rapidly obtained during a mild microwave heating method. Applying microwave irradiation to Ca(NO3)(2)center dot 4H(2)O/CTAB/Na2HPO4 precursor solution, the HAp precipitation process was occurred directly and without common crystallographic transformations including dissolution and slow recrystallization. The cationic surfactant CTAB was used as a soft template to modify nucleation and growth process. TEM investigations showed that the fabricated nanostrips had a width and length of about 10 and 55 nm, respectively. The X-ray diffraction pattern revealed that the fabricated well-crystallized and high purity hydroxyapatite nanostrips had a pattern similar to the bone mineral. The FTIR spectrum of the synthesized HAp nanostrips confirmed the crystallization degree observed in X-ray diffraction pattern. Moreover, the effect of CTAB on fort-nation mechanism of the fabricated nanostrips was investigated. (C) 2008 Elsevier B.V. All rights reserved.
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