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High resolution morphological changes of Cu, Ni, Al, and Au surfaces due to atmospheric corrosion

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Date
2017
Author
Echeverría F.
Botero C.A.
Correa E.
Meza D.
Castaño J.G.
Gõmez M.A.
Centro de Investigaciõn, Innovaciõn y Desarrollo de Materiales, Universidad de Antioquia, Medellín, Colombia
Facultad de Ingenierías, Universidad de Medellín, Medellín, Colombia
Grupo de Investigaciõn Materiales Con Impacto MAT and MPAC, Facultad de Ingenierías, Universidad de Medellín, Medellín, Colombia

Citación

       
TY - GEN T1 - High resolution morphological changes of Cu, Ni, Al, and Au surfaces due to atmospheric corrosion AU - Echeverría F. AU - Botero C.A. AU - Correa E. AU - Meza D. AU - Castaño J.G. AU - Gõmez M.A. Y1 - 2017 UR - http://hdl.handle.net/11407/4345 PB - Institute of Electrical and Electronics Engineers Inc. AB - ER - @misc{11407_4345, author = {Echeverría F. and Botero C.A. and Correa E. and Meza D. and Castaño J.G. and Gõmez M.A.}, title = {High resolution morphological changes of Cu, Ni, Al, and Au surfaces due to atmospheric corrosion}, year = {2017}, abstract = {}, url = {http://hdl.handle.net/11407/4345} }RT Generic T1 High resolution morphological changes of Cu, Ni, Al, and Au surfaces due to atmospheric corrosion A1 Echeverría F. A1 Botero C.A. A1 Correa E. A1 Meza D. A1 Castaño J.G. A1 Gõmez M.A. YR 2017 LK http://hdl.handle.net/11407/4345 PB Institute of Electrical and Electronics Engineers Inc. AB OL Spanish (121)
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Abstract
As atmospheric corrosion of electrical contacts is a common cause of failure in electronics industry and at the same time miniaturization is a requirement in any modern electronic device, it is important to study the effects of corrosion in the surface morphology of metals widely used in that industry sector, such as gold, copper, nickel, and aluminium. Here, atomic force microscopy (AFM) has been used with that purpose, analysing flat surfaces of those metals both before and after exposure by several weeks to the effects of a contaminated atmosphere containing both NO2 and SO2 at constant temperature and humidity. Results indicate all metals suffered changes both in surface morphology and roughness. AFM phase mode images also indicated the occurrence of different species on the Ni and Cu surfaces after 11 weeks of exposure. Evidence of defects due to the corrosion attack was only observed for Ni. © 2017 IEEE.
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http://hdl.handle.net/11407/4345
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