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Woo Lee, Jae-Cheon Kim and Ulrich Gösele Spontaneous Current Oscillations during Hard Anodization of Aluminum under Potentiostatic Conditions Advanced Functional Materials 20

Version of Record online: 8 OCT 2009 | DOI: 10.1002/adfm.200901213

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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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