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

Félix Echeverría, Carlos Alberto Botero, Esteban Correa, Dayana Meza, Juan Guillermo Castaño, Maryory Astrid Gõmez

Resultado de la investigación: Contribución a una revistaArtículoInvestigaciónrevisión exhaustiva

Resumen

© 2017 IEEE. 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 NO2and SO2at 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.
Idioma originalInglés estadounidense
Páginas (desde-hasta)331-339
Número de páginas9
PublicaciónIEEE Transactions on Device and Materials Reliability
DOI
EstadoPublicada - 1 jun 2017

Huella dactilar

Atmospheric corrosion
Metals
Surface morphology
Atomic force microscopy
Corrosion
Electronics industry
Nickel
Aluminum
Gold
Copper
Atmospheric humidity
Surface roughness
Defects
Industry
Temperature

Citar esto

Echeverría, Félix ; Botero, Carlos Alberto ; Correa, Esteban ; Meza, Dayana ; Castaño, Juan Guillermo ; Gõmez, Maryory Astrid. / High resolution morphological changes of Cu, Ni, Al, and Au surfaces due to atmospheric corrosion. En: IEEE Transactions on Device and Materials Reliability. 2017 ; pp. 331-339.
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author = "F{\'e}lix Echeverr{\'i}a and Botero, {Carlos Alberto} and Esteban Correa and Dayana Meza and Casta{\~n}o, {Juan Guillermo} and G{\~o}mez, {Maryory Astrid}",
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High resolution morphological changes of Cu, Ni, Al, and Au surfaces due to atmospheric corrosion. / Echeverría, Félix; Botero, Carlos Alberto; Correa, Esteban; Meza, Dayana; Castaño, Juan Guillermo; Gõmez, Maryory Astrid.

En: IEEE Transactions on Device and Materials Reliability, 01.06.2017, p. 331-339.

Resultado de la investigación: Contribución a una revistaArtículoInvestigaciónrevisión exhaustiva

TY - JOUR

T1 - High resolution morphological changes of Cu, Ni, Al, and Au surfaces due to atmospheric corrosion

AU - Echeverría, Félix

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AU - Gõmez, Maryory Astrid

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AB - © 2017 IEEE. 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 NO2and SO2at 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.

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