Figure 3 | Scientific Reports

Figure 3

From: Two step porosification of biomimetic thin-film hydroxyapatite/alpha-tri calcium phosphate coatings by pulsed electron beam irradiation

Figure 3

(A) SEM of AD and electron irradiated samples displaying an increase in porosity with irradiation voltage. At 13 kV closed porosity was observed within the irradiated layer. High magnification images did not show any noticeably crystal formation within the resolution of the instrument. (B) Elemental mapping of AD and 29 kV electron irradiated samples, showing homogenous distributed of Ca/P throughout the coatings pre and post irradiation. 29 kV partially removed complete coating sections as indicated by areas of Ti, corresponding to absence of Ca/P.

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