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024 | 7 | _ | |2 DOI |a 10.1016/j.electacta.2005.08.015 |
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041 | _ | _ | |a eng |
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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 |0 PUB:(DE-HGF)16 |2 PUB:(DE-HGF) |
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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 |p 2836 - 2844 |q 51<2836 - 2844 |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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915 | _ | _ | |0 StatID:(DE-HGF)0010 |a JCR/ISI refereed |
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