Contribution of electrolysis current to growth of SrTiO3 thin film by the hydrothermal-electrochemical method
- 1 August 1994
- journal article
- Published by Springer Nature in Journal of Materials Research
- Vol. 9 (8), 2109-2117
- https://doi.org/10.1557/jmr.1994.2109
Abstract
The electrolysis treatment of the hydrothermal-electrochemical method has been modified so that it permits SrTiO3 thin films to be grown on Ti electrodes being oxidized anodically in Sr(OH)2 solutions far beyond a thickness limit of several tens of nanometers hitherto attained. The relation between the total current passed through the Ti anode and the amount of the resulting SrTiO3 film was analyzed on the basis of a reaction model that interprets the anodic current to be compensated with electrons generated partly by oxidation of Ti and partly by decomposition of H2O. Current efficiency for the film growth was estimated to be in the range from 0.8 to 3% depending on the Ti electrode potential.Keywords
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