Effect of ion concentration on mechanosynthesis of carbonated chlorapatite nanopowders
Carbonated chlorapatite nanopowders (n-CCAp) with different degrees of substitution were successfully synthesized by the one-step mechanochemical process. Results demonstrated that the formation of n-CCAp was influenced strongly by the carbonate content (x). From X-ray analysis, crystallite size, cr...
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| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Materials Letters
2015
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| Subjects: | |
| Online Access: | http://eprints.um.edu.my/13760/1/Effect_of_ion_concentration_on_mechanosynthesis_of_carbonated.pdf http://eprints.um.edu.my/13760/ http://www.sciencedirect.com/science/article/pii/S0167577X1500172X |
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| Summary: | Carbonated chlorapatite nanopowders (n-CCAp) with different degrees of substitution were successfully synthesized by the one-step mechanochemical process. Results demonstrated that the formation of n-CCAp was influenced strongly by the carbonate content (x). From X-ray analysis, crystallite size, crystallinity degree, and unit cell volume of n-CCAp decreased significantly as carbonate content (x) increased from 0 to 2. Conversely, the lattice strain and the volume fraction of grain boundaries grew considerably. Microscopic analysis showed the average particle size of the synthesized powders was 15 +/- 10 nm. The influence of carbonate concentration on mechanosynthesis of pure n-CCAp utilizing a facile solid-state process has not been reported yet; it has potential application for biomedical engineering. (C) 2015 Elsevier B.V. All rights reserved. |
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