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Pulsed Electrodeposition of Tree-Like Copper Aggregates

Published online by Cambridge University Press:  03 September 2012

Y. HuttEl ,
E. Chassaing ,
M. Rosso  and
B. Sapoval
Y. HuttEl
Affiliation:
Laboratoire de Physique de la Matière Condensée, CNRS-Ecole Polytechnique, 91128 Palaiseau, France
E. Chassaing
Affiliation:
Centre d'Etudes de Chimie Métallurgique-CNRS, 94407 VITRY-SUR-SEINE Cedex, France
M. Rosso
Affiliation:
Laboratoire de Physique de la Matière Condensée, CNRS-Ecole Polytechnique, 91128 Palaiseau, France
B. Sapoval
Affiliation:
Laboratoire de Physique de la Matière Condensée, CNRS-Ecole Polytechnique, 91128 Palaiseau, France
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Abstract

Using pulsating current technique, we have been able to grow self-sustained, tree-like copper aggregates with a length of a few mm. The size of these aggregates allowed us to perform impedance and scanning electron microscope analysis. The morphology of the aggregates is found to be more compact than for deposits obtained in fixed-current dc conditions. However, their structure is still very irregular, and depends on the parameters characterizing the pulse sequence.

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Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 367: Symposium P – Fractal Aspects of Materials , 1994 , 177
Copyright
Copyright © Materials Research Society 1995

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