Characterization of Metal Oxide-Based Gas Nanosensors and Microsensors Fabricated via Local Anodic Oxidation Using Atomic Force Microscopy
Figure 4
(Color online) Topographic AFM images of square-like oxidized regions via LAO process in Mo film, (a) just after applying LAO process and (b) subsequent to washing out the oxide in deionized water. (c) A graph showing Mo oxide versus Mo thicknesses revealing the ratio Mo/Mo as 3.2 ± 0.1.