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Alumina film with nano-pore array structure was prepared by anodic oxidation of aluminum matrix with different techniques treated in phosphoric acid solution.It was indicated that aluminum matrix with different composition had a great effect on the formation process and nano-pore array structure of alummina film.It was found out that the basic cause of such effect was the difference of the crystal defect density of aluminum matrix.
Alumina film with nano-pore array structure was prepared by anodic oxidation of aluminum matrix with different techniques treated in phosphoric acid solution. It was indicated that the aluminum matrix with different composition had a great effect on the formation process and nano-pore array structure of alummina film. It was found out that the basic cause of such effect was the difference of the crystal defect density of aluminum matrix.