Phase behaviour of manganese-doped biphasic calcium phosphate ceramics synthesized via sol-gel method
Manganese-doped biphasic calcium phosphate (Mn-doped BCP) powders have been synthesized via sol-gel technique. The Mn-doped BCP powders were studied for their phase behaviour at different concentrations of Mn (0, 0.01, 2, 5 and 15 mol) and calcination temperatures (500-1200 degrees C). For all the M...
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Wiley
2011
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| author | Nawawi, Natasha Ahmad Sopyan, Iis Ramesh, Singh -, Afzeri |
| author_facet | Nawawi, Natasha Ahmad Sopyan, Iis Ramesh, Singh -, Afzeri |
| author_sort | Nawawi, Natasha Ahmad |
| collection | UM |
| description | Manganese-doped biphasic calcium phosphate (Mn-doped BCP) powders have been synthesized via sol-gel technique. The Mn-doped BCP powders were studied for their phase behaviour at different concentrations of Mn (0, 0.01, 2, 5 and 15 mol) and calcination temperatures (500-1200 degrees C). For all the Mn concentrations, the X-ray diffraction (XRD) revealed that only hydroxyapatite (HA) and beta-tricalcium phosphate (beta-TCP) phases were present. It was shown that the HA crystallinity increased with increase in Mn content. Moreover, the weight loss at 700-850 degrees C detected by thermogravimetric analysis confirmed the presence of biphasic mixtures in the BCP powders. The study on effect of calcination temperature was done on the pure BCP and 5 mol Mn-BCP powder. The XRD revealed that the decomposition of HA to TCP took place at the temperature range of 700-800 degrees C. Fourier transform infrared spectroscopy and XRD measurements found that HA peaks increased with the increasing Mn content and temperature. This was also accompanied by the enlarging particles at higher calcination temperatures and Mn contents due to fusion of agglomerated particles. These findings have led to the conclusion that Mn has acted as a calcination additive for the BCP powder. Copyright (c) 2010 Curtin University of Technology and John Wiley & Sons, Ltd. |
| first_indexed | 2024-03-06T05:16:33Z |
| format | Article |
| id | um.eprints-6538 |
| institution | Universiti Malaya |
| last_indexed | 2024-03-06T05:16:33Z |
| publishDate | 2011 |
| publisher | Wiley |
| record_format | dspace |
| spelling | um.eprints-65382021-02-10T02:39:23Z http://eprints.um.edu.my/6538/ Phase behaviour of manganese-doped biphasic calcium phosphate ceramics synthesized via sol-gel method Nawawi, Natasha Ahmad Sopyan, Iis Ramesh, Singh -, Afzeri TS Manufactures Manganese-doped biphasic calcium phosphate (Mn-doped BCP) powders have been synthesized via sol-gel technique. The Mn-doped BCP powders were studied for their phase behaviour at different concentrations of Mn (0, 0.01, 2, 5 and 15 mol) and calcination temperatures (500-1200 degrees C). For all the Mn concentrations, the X-ray diffraction (XRD) revealed that only hydroxyapatite (HA) and beta-tricalcium phosphate (beta-TCP) phases were present. It was shown that the HA crystallinity increased with increase in Mn content. Moreover, the weight loss at 700-850 degrees C detected by thermogravimetric analysis confirmed the presence of biphasic mixtures in the BCP powders. The study on effect of calcination temperature was done on the pure BCP and 5 mol Mn-BCP powder. The XRD revealed that the decomposition of HA to TCP took place at the temperature range of 700-800 degrees C. Fourier transform infrared spectroscopy and XRD measurements found that HA peaks increased with the increasing Mn content and temperature. This was also accompanied by the enlarging particles at higher calcination temperatures and Mn contents due to fusion of agglomerated particles. These findings have led to the conclusion that Mn has acted as a calcination additive for the BCP powder. Copyright (c) 2010 Curtin University of Technology and John Wiley & Sons, Ltd. Wiley 2011 Article PeerReviewed Nawawi, Natasha Ahmad and Sopyan, Iis and Ramesh, Singh and -, Afzeri (2011) Phase behaviour of manganese-doped biphasic calcium phosphate ceramics synthesized via sol-gel method. Asia-Pacific Journal of Chemical Engineering, 6 (6). pp. 823-831. ISSN 1932-2135, DOI https://doi.org/10.1002/apj.480 <https://doi.org/10.1002/apj.480>. https://doi.org/10.1002/apj.480 doi:10.1002/apj.480 |
| spellingShingle | TS Manufactures Nawawi, Natasha Ahmad Sopyan, Iis Ramesh, Singh -, Afzeri Phase behaviour of manganese-doped biphasic calcium phosphate ceramics synthesized via sol-gel method |
| title | Phase behaviour of manganese-doped biphasic calcium phosphate ceramics synthesized via sol-gel method |
| title_full | Phase behaviour of manganese-doped biphasic calcium phosphate ceramics synthesized via sol-gel method |
| title_fullStr | Phase behaviour of manganese-doped biphasic calcium phosphate ceramics synthesized via sol-gel method |
| title_full_unstemmed | Phase behaviour of manganese-doped biphasic calcium phosphate ceramics synthesized via sol-gel method |
| title_short | Phase behaviour of manganese-doped biphasic calcium phosphate ceramics synthesized via sol-gel method |
| title_sort | phase behaviour of manganese doped biphasic calcium phosphate ceramics synthesized via sol gel method |
| topic | TS Manufactures |
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