Layer-by-layer electrodeposition of copper in the presence of o-phenanthroline, caused by a new type of hidden NDR oscillation with the effective electrode surface area as the key variable

Article Abstract:

The mechanisms of current and potential oscillations for copper (Cu) electrodeposition from aqueous acidic Cu(super 2+) solutions with o-phenanthroline are presented. Detailed experiments reveal that the oscillation is classified into a hidden N-shaped negative differential resistance (HN-NDR) oscillation of a new type, with the effective electrode surface area as the NDR-hiding variable.

Science & research, Research, Electrodes

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The influence of poly(ethylene oxide) and illumination on the copper electrodeposition process onto n-Si(100)

Article Abstract:

The influence of illumination and the presence of poly(ethylene oxide) (PEO) as an additive for the copper electrodeposition process onto n-Si(100) is examined. Results indicate that illumination promotes a competitive reaction between silicon oxide formation and copper deposition. The adsorption of the PEO molecule in the more active sites inhibits substrate oxidation.

All Other Basic Organic Chemical Manufacturing, Industrial organic chemicals, not elsewhere classified, Ethylene Oxide

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In situ study of the growth kinetics of individual island electrodeposition of copper

Article Abstract:

The growth of individual islands during bulk electrodeposition of copper as a function of potential using in situ transmission electron microscopy (TEM) is reported. The growth laws of individual copper islands on gold by direct observation during electrodeposition is examined and the growth of individual islands is characterized by two growth exponents alpha and beta.

Usage, Transmission electron microscopes

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