Diffusivity of point defects in the passive film on Fe
Diffusivity of point defects (DO) in the passive film formed on Fe in deaerated pH 8.5 buffer solution at ambient temperature was estimated by the Mott-Schottky analysis based on the Point Defect Model and surface charge approach assuming that donors are oxygen vacancies and/or iron interstitials. From the exponential decay of the concentration of donors with film formation potential, Do was calculated to be 1.69 x 10(-20) cm(2) s(-1). (c) 2005 Elsevier B.V. All rights reserved.
- Publisher
- ELSEVIER SCIENCE SA
- Issue Date
- 2005-06
- Language
- English
- Article Type
- Article
- Keywords
OXIDE-FILM; ELECTROCHEMICAL-BEHAVIOR; SEMICONDUCTOR MODEL; CARBON-STEEL; IRON; IMPEDANCE; STATE; MOLYBDENUM; ELECTRODES; METALS
- Citation
JOURNAL OF ELECTROANALYTICAL CHEMISTRY, v.579, pp.311 - 319
- ISSN
- 0022-0728
- Appears in Collection
- MS-Journal Papers(저널논문)
- Files in This Item
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