High resolution AFM images of the single-crystal alpha-Al2O3(0001) surface in water
Y Gan, GV Franks
JOURNAL OF PHYSICAL CHEMISTRY B | AMER CHEMICAL SOC | Published : 2005
The (0001) surface of alpha-Al(2)O(3) single crystals has been imaged by atomic force microscopy in water. The observed hexagonal lattice arrangement has a period of 4.7 A, in good agreement with the known bulk unit cell. The sample cleaning procedure was found to be crucial in obtaining clean terraces and achieving lattice resolution.