Superior Corrosion Resistance of Ion Beam Deposited Iron Film
- 1 January 1993
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 32 (1A) , L120-122
- https://doi.org/10.1143/jjap.32.l120
Abstract
Superior corrosion resistance was obtained for 56Fe+-IBD (ion beam deposited) films on Si and Ge substrates. The iron films deposited at an ion energy of 50 eV showed the highest corrosion resistance in 0.001 M NaCl solution. The estimated current density at its corrosion potential was four orders of magnitude smaller, 10-6 A/m2, than that of 2N-purity iron bulk materials. Ion bombardment induced formation of finely-grained polycrystalline structure, and coupled with its purifying action, these were considered to account for the superior corrosion resistance.Keywords
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