Woo Lee, Jae-Cheon Kim and Ulrich Gösele Spontaneous Current Oscillations during Hard Anodization of Aluminum under Potentiostatic Conditions Advanced Functional Materials 20
Spontaneous current oscillations during hard anodization of aluminum and their implication to the pore structures of the resulting anodic oxide are investigated. Nanoporous anodic alumina exhibits modulated pore structures as a result of self-induced oscillatory kinetic behavior, in which the modulation patterns follow exactly the details of oscillating current profile. The origin of the spontaneous current oscillations is proposed.
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