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Determination of Roughness Factor and Fractal Dimension of Zirconium in its Native and Surface Modified State using Atomic Force Microscopy. Effect of the Hydrogen Evolution Reaction on the Surface Structure
- 1.0490032 - ÚFCH JH 2020 RIV CZ eng C - Konferenční příspěvek (zahraniční konf.)
Novák, M. - Kocábová, Jana - Kolivoška, Viliam - Pospíšil, Lubomír - Macák, J. - Cichoň, Stanislav - Cháb, Vladimír - Hromadová, Magdaléna
Determination of Roughness Factor and Fractal Dimension of Zirconium in its Native and Surface Modified State using Atomic Force Microscopy. Effect of the Hydrogen Evolution Reaction on the Surface Structure.
XXXVIII. Moderní elektrochemické metody. Sborník přednášek. Ústí nad Labem: Best Servis, 2018 - (Navrátil, T.; Fojta, M.; Schwarzová, K.), s. 173-177. ISBN 978-80-905221-6-9.
[Moderní elektrochemické metody /38./. Jetřichovice (CZ), 21.05.2018-25.05.2018]
Grant CEP: GA ČR(CZ) GA16-03085S
Institucionální podpora: RVO:61388955 ; RVO:68378271
Klíčová slova: zirconium electrode * atomic force microscopy * fractal dimension
Obor OECD: Electrochemistry (dry cells, batteries, fuel cells, corrosion metals, electrolysis); Condensed matter physics (including formerly solid state physics, supercond.) (FZU-D)
Atomic force microscopy (AFM) was used to characterize surface morphology of pristine zirconium, Si modified and FeSi modified zirconium electrodes prior and after hydrogen evolution at potentials negative of the open circuit potential value. Two main characteristic parameters were obtained from the ex situ AFM height images, namely, the roughness factor and fractal dimension of the studied surface. The effect of hydrogen evolution reaction on the electrode surface morphology was discussed. Fractal dimension values were used successfully to explain the non ideality of the interfacial capacitance.
Trvalý link: http://hdl.handle.net/11104/0284341
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