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In-Situ Stm Studies on the Electrodeposition of Ultrathin Nickel Films

Published online by Cambridge University Press:  10 February 2011

O. M. Magnussen ,
F. A. Möller ,
A. Lachenwitzer  and
R. J. Behm
O. M. Magnussen
Affiliation:
Abteilung Oberflächenchemie und Katalyse, Universität Ulm, D-89069 Ulm, Germany
F. A. Möller
Affiliation:
Abteilung Oberflächenchemie und Katalyse, Universität Ulm, D-89069 Ulm, Germany
A. Lachenwitzer
Affiliation:
Abteilung Oberflächenchemie und Katalyse, Universität Ulm, D-89069 Ulm, Germany
R. J. Behm
Affiliation:
Abteilung Oberflächenchemie und Katalyse, Universität Ulm, D-89069 Ulm, Germany
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Abstract

An in-situ STM study of the initial stages of Ni electrodeposition on Au and Cu single-crystals is presented. On reconstructed Au(111) a complex, potential-dependent nucleation and growth process is found, involving selective Ni island formation at specific surface sites and growth of two types (compact and needle-like) of Ni monolayer islands. At higher coverages (1 ML ≤ θ ≤ 5 ML) an almost perfect layer-by-layer growth of a metallic Ni(111)-film was observed. Considerably rougher films were found on Au(100) and Cu(100).

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 451: Symposium P – Electrochemical Synthesis and Modification , 1996 , 43
Copyright
Copyright © Materials Research Society 1997

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References

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