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Morphology-Enhanced Low-Temperature Sintering of Nanocrystalline Hydroxyapatite

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  • This work was supported by theNational Science Foundation under grant number DMI-0218169. Helpful discussions with Dianying Chen, Haibo Qu, and William Osborn are gratefully acknowledged. Supporting Information is available online from Wiley InterScience or from the author.

Abstract

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By using hydroxyapatite (HA) nanorods, dense (> 99 % theoretical) HA nanocrystalline (see figure) bioceramics were attained at 850 °C through morphology-enhanced diffusion as the driving force for densification. This new mechanism has the potential to give advanced ceramics with enhanced properties or new functionalities.

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