Pulsed Laser Deposition of Biocompatible Thin Films: Calcium Hydroxylapatite and other Calcium Phosphates
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PULSED LASER DEPOSITION OF BIOCOMPATIBLE THIN FILMS: CALCIUM HYDROXYLAPATrTE AND OTHER CALCIUM PHOSPHATES C.M. Cotell, D.B. Chrisey, and K.S. Grabowski Surface Modification Branch, Naval Research Laboratory, Washington, D.C. 20375-5000 ABSTRACT Calcium phosphate-based ceramics were deposited on Ti, Ti-6Al-4V and Si substrates by pulsed laser deposition. The calcium phosphate phase (amorphous, a- or P-tricalciumn phosphate, tetracalcium phosphate, or hydroxylapatite), Ca/P ratio and surface morphology of the films were related to deposition conditions. At substrate temperatures
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