Fig. 5
From: Porous hydroxyapatite – β-tricalcium phosphate ceramics produced from a rapid sol-gel process
SEM images of Nit3-10 at 1 K and 20 K magnification: (a) Nit3 400 °C, (b) Nit3 700 °C, (c) Nit5 400 °C, (d) Nit5 700 °C, (e) Nit10 400 °C, (f) Nit10 700 °C.
