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024 7 _ |2 DOI
|a 10.1016/j.electacta.2005.08.015
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037 _ _ |a PreJuSER-46888
041 _ _ |a eng
082 _ _ |a 540
084 _ _ |2 WoS
|a Electrochemistry
100 1 _ |a Munoz, A. G.
|b 0
|u FZJ
|0 P:(DE-Juel1)VDB60931
245 _ _ |a Electrodeposition of Co on Oxide Modified p-Si Surfaces
260 _ _ |a New York, NY [u.a.]
|b Elsevier
|c 2006
300 _ _ |a 2836 - 2844
336 7 _ |a Journal Article
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440 _ 0 |a Electrochimica Acta
|x 0013-4686
|0 1776
|v 51
500 _ _ |a Record converted from VDB: 12.11.2012
520 _ _ |a The influence of the first stages of anodic oxidation of p-Si on the mechanism of Co deposition was studied by means of electrochemical techniques and AFM. The surface transformation during the formation of a thin oxide layer on hydrogen-terminated Si was followed by capacitance measurements and related to changes of the electrodeposition mechanism. It was observed that the reduction of Co2+ on oxide free p-Si occurs at the negative side of the flat band potential involving the discharge of photogenerated electrons at the conduction band edge and/or surface state levels. The fort-nation of an oxide film of d(ox) < 2 nm introduces an energy barrier that increases the overpotential for electrodeposition. The morphology of deposits, on the other hand, changes from layer like to grain like after surface oxidation, indicating a substantial modification of the nature and density of nucleation sites. The number density of deposited clusters on an oxidized surface showed a proportionality with the field strength in the oxide, indicating the presence of a certain high-field assisted mechanism in the generation of active sites. (c) 2005 Elsevier Ltd. All rights reserved.
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653 2 0 |2 Author
|a p-Si
653 2 0 |2 Author
|a electrodeposition
653 2 0 |2 Author
|a Co
653 2 0 |2 Author
|a photoelectrodes
700 1 _ |a Staikov, G.
|b 1
|u FZJ
|0 P:(DE-Juel1)VDB13645
773 _ _ |a 10.1016/j.electacta.2005.08.015
|g Vol. 51, p. 2836 - 2844
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|0 PERI:(DE-600)1483548-4
|t Electrochimica acta
|v 51
|y 2006
|x 0013-4686
856 7 _ |u http://dx.doi.org/10.1016/j.electacta.2005.08.015
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914 1 _ |y 2006
915 _ _ |0 StatID:(DE-HGF)0010
|a JCR/ISI refereed
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|l Institut für Grenzflächen und Vakuumtechnologien
|d 31.12.2006
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|l Center of Nanoelectronic Systems for Information Technology
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