Abstract
We present a study of simultaneous exposure of ion-implanted metal substrates to laser irradiation and solution. The proposed method for a growth of hydroxyapatite (HA, bone- and teeth-like material) employs a deposition system and a process, which allows interaction between a scanning laser beam and a liquid precursor solution (simulated body fluid, SBF), and also lasers illumination of the substrates during the laser–liquid interaction. We examine the grown layers by XRD, FTIR and Raman spectroscopy, SEM, EDX, and light microscopy. It is suggested that the HA nucleation begins with the absorption of photon energy by the substrate and the effect of the laser irradiation is to promote and enhance the HA nucleation process. Subsequent two-stage immersion of the irradiated samples in SBF yields the growth of a very thin HA layer, which overgrows to a thicker and porous layer.
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