Characterisation of ferroelectric-calcium phosphate composites and ceramics
Gittings, J. P., Bowen, C. R., Turner, I. G., Baxter, F. and Chaudhuri, J., 2007. Characterisation of ferroelectric-calcium phosphate composites and ceramics. Journal of the European Ceramic Society, 27 (13-15), pp. 4187-4190.
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This paper studies the effect of composite composition on the electrical properties of BaTiO3-hydroxyapatite (HA) composites and examines the high temperature electrical properties of pure HA. At least 80% volume of BaTiO3 was needed for the composites to exhibit any stress-induced piezoelectric potential. At elevated temperatures, pure HA exhibits an increase in real part of conductivity and permittivity. The increased ionic conductivity at elevated temperatures can be used to manufacture polarised HA bioceramics with permanent surface charges as polarised HA exhibited a depolarisation current at elevated temperatures. © 2007 Elsevier Ltd. All rights reserved.
|Creators||Gittings, J. P., Bowen, C. R., Turner, I. G., Baxter, F. and Chaudhuri, J.|
|Uncontrolled Keywords||piezoelectricity,hydroxyapatite,barium compounds,bioceramics,ferroelectricity,electric conductivity,permittivity,calcium phosphate|
|Departments||Faculty of Engineering & Design > Mechanical Engineering|
Faculty of Engineering & Design > Chemical Engineering
|Research Centres||Centre for Regenerative Medicine|
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