Fig. 1
From: Enhanced antibacterial activities of zirconia nanoparticles modified with yttrium oxide and alumina
SEM for zirconia with yttria alumina in a thermal well at 1570 °C (A). (B) Homogeneous mixing of the powdery materials. (C) Pores were small and not connect. (D) Showed surfaces of the granules of the alumina nanoparticles take a scattered and irregular spherical shape.
