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Sol–gel produced sodium calcium phosphosilicates for bioactive applications: Synthesis and structural characterisation
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Carta, Daniela, Newport, Robert J., Knowles, Jonathan C., Smith, Mark E. and Guerry, Paul (2011) Sol–gel produced sodium calcium phosphosilicates for bioactive applications: Synthesis and structural characterisation. Materials Chemistry and Physics, Vol.130 (No.1-2). pp. 690-696. doi:10.1016/j.matchemphys.2011.07.050
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Official URL: http://dx.doi.org/10.1016/j.matchemphys.2011.07.05...
Abstract
A series of phosphosilicates P(2)O(5) (45 mol%)-CaO (20-40 mol%)-Na(2)O (5-20 mol%)-SiO(2) (10-15 mol%) has been synthesised by the sol-gel route using PO(OH)(3-x)(OC(2)H(5))(x) (x = 1, 2) as the phosphorus precursor. Evolution of the gels with temperature was studied using thermogravimetric analysis and differential thermal analysis. These phosphosilicates show good stability against crystallisation remaining fully amorphous even after calcination at 400 degrees C. The short-range structure of the stabilised sol-gel glasses and the effect of adding modifier oxides to the network structure have been investigated using a combination of techniques: FT-IR spectroscopy, (31)P magic angle spinning NMR, high energy XRD and P L-edge XANES.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Divisions: | Administration > Vice Chancellor's Office Faculty of Science > Physics |
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| Journal or Publication Title: | Materials Chemistry and Physics | ||||
| Publisher: | Elsevier Science SA | ||||
| ISSN: | 0254-0584 | ||||
| Official Date: | 2011 | ||||
| Dates: |
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| Volume: | Vol.130 | ||||
| Number: | No.1-2 | ||||
| Number of Pages: | 7 | ||||
| Page Range: | pp. 690-696 | ||||
| DOI: | 10.1016/j.matchemphys.2011.07.050 | ||||
| Status: | Peer Reviewed | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Funder: | Engineering and Physical Sciences Research Council (EPSRC), Advantage West Midlands (AWM), European Regional Development Fund (ERDF), University of Warwick, SRS Daresbury Laboratory, WCU through the National Research Foundation of Korea (NRF), Ministry of Education, Science and Technology | ||||
| Grant number: | GR/88595/01, GR/C004671, GR/C004698, GR/C515560, R31-10069 |
Data sourced from Thomson Reuters' Web of Knowledge
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