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Determination of fractal dimension by cyclic I-V studies: The Laplace-transform method
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Materials Science.ORCID iD: 0000-0002-5496-9664
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Materials Science.ORCID iD: 0000-0002-8279-5163
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Materials Science.
1995 (English)In: Physical Review B. Condensed Matter and Materials Physics, ISSN 1098-0121, E-ISSN 1550-235X, Vol. 52, no 19, 14192Article in journal (Refereed) Published
Abstract [en]

A method is introduced for the determination of fractal dimension df from cyclic voltammograms taken on films in contact with an electrolyte. It is based on a Laplace transform of the Nernst equations using Riemann-Liouville transform expressions for the surface concentrations. Diffusion-limited conditions are required. The method is applicable even when resistance drops are present in the electrolyte or across the film. Our Laplace transform method gave correct results for gold electrodes with known df and it also provided a fractal dimension of a partially active In oxide surface in good agreement with that obtained from an independent technique.

Place, publisher, year, edition, pages
1995. Vol. 52, no 19, 14192
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:uu:diva-29739DOI: 10.1103/PhysRevB.52.14192PubMedID: 9980641OAI: oai:DiVA.org:uu-29739DiVA: diva2:57635
Available from: 2008-10-17 Created: 2008-10-17 Last updated: 2017-12-07Bibliographically approved

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Strömme, MariaNiklasson, Gunnar AGranqvist, Claes-Göran

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