19_19/2007Cover Picture: Novel Structure of AAO Film Fabricated by Constant Current Anodization (Adv. Mater. 19/2007)

Anodized aluminum oxide (AAO) films with a six-membered ring structure are reported by Shiyong Zhao, Teodor Veres, and co-workers on p. 3004. The films, with a controlled pore diameter, are prepared by constant current anodization at a high current density. While structurally ordered arrays of nanodots have been fabricated by using this AAO template, the high pore density of this AAO structure may promote its use in many applications, for example in the preparation of mosaic nanowire arrays or photonic devices.

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