Corresponding Author

Junhui Wu


nm aluminum films were deposited onto a p_type,0.5 Ω·cm, 〈100〉 oriented silicon wafers using electron beam evaporation technique.Then,the wafers was immersed in 15 wt% H 2SO 4 for porous_type over_anodization under a constant voltage of DC 60V.During the anodization,the temperature of the electrolyte was maintained at 0 ℃.The obtained samples were investigated by means of transmission electron microscopy,scanning electron microscopy,and AES depth profile for multi_layer structural information.In addition, the basic anodic formation mechanism of the Si_based aluminum films was brielfly discussed.


Anodic oxidation, Si_based porous alumina, AES, Multi_layer structure

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