# name
Hydroxyapatite coatings grown by pulsed laser deposition with a beam of 355 nm wavelength

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Calcium phosphate coatings, obtained at different deposition rates by pulsed laser deposition with a Nd:YAG laser beam of 355-nm wavelength, were studied. The deposition rate was changed from 0.043 to 1.16 /shot by modification of only the ablated area, maintaining the local fluence constant to perform the ablation process in similar local conditions. Characterization of the coatings was performed by scanning electron microscopy, x-ray diffractometry, and infrared, micro-Raman, and x-ray photoelectron spectroscopy. The coatings showed a compact surface morphology formed by glassy gains with some droplets on them. Only hydroxyapatite (HA) and alpha-tricalcium phosphate (alpha-TCP) peaks were found in the x-ray diffractograms. The relative content of  alpha TCP diminished with decreasing deposition rates, and only HA peaks were found for the lowest rate. The origin of  alpha TCP is discussed.

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Articles publicats en revistes (Física Aplicada)

# metadata.dc.title[].value
Hydroxyapatite coatings grown by pulsed laser deposition with a beam of 355 nm wavelength