• Effect of an electric field on the oxidation of aluminium at room temperature

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    • Keywords


      Aluminium oxidation; electric field; cationic diffusion; capacitive field

    • Abstract


      Effect of an applied electric field on the oxidation rate of vacuum deposited aluminium thin films were studied at room temperature in the laboratory atmosphere. Above the critical field, a negative potential applied to the film enhanced the rate of oxidation, while a positive field retarded the rate. This suggests an oxidation mechanism involving cationic diffusion. The observed change in the rate of oxidation for an applied field agrees with the Mott-Cabrera theory.

    • Author Affiliations


      K Bhavani1 V K Vaidyan1

      1. Department of Physics, University of Kerala, Trivandrum - 695 581, India
    • Dates

  • Bulletin of Materials Science | News

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      Prof. Surajit Dhara — School of Physics, University of Hyderabad, Hyderabad
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      Posted on July 25, 2019

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