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Fractal growth of copper electrodeposits

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Abstract

Black dendritic growths of copper were electrodeposited in steady-state diffusion-limited conditions onto an initially point-like cathode. Their spatial extent R was inferred from the increased current and their mass M from the total charge transferred. Fractal behaviour M∝RD was observed with D = 2.43 ±0.03, in good agreement with computer simulations of diffusion-limited aggregation.

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Authors and Affiliations

  1. Cavendish Laboratory, University of Cambridge, Madingley Road, Cambridge, CB3 0HE, UK

    R. M. Brady & R. C. Ball

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  1. R. M. Brady
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  2. R. C. Ball
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Brady, R., Ball, R. Fractal growth of copper electrodeposits. Nature 309, 225–229 (1984). https://doi.org/10.1038/309225a0

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  • DOI: https://doi.org/10.1038/309225a0

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