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Nano-FTIR microscopy and spectroscopy studies of atmospheric corrosion with a spatial resolution of 20 nm
KTH, Skolan för kemivetenskap (CHE), Kemi, Yt- och korrosionsvetenskap.
2016 (engelsk)Inngår i: Corrosion Science, ISSN 0010-938X, E-ISSN 1879-0496, Vol. 108, s. 60-65Artikkel i tidsskrift (Fagfellevurdert) Published
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Abstract [en]

Since corrosion commonly occurs heterogeneously over a surface, studies on a microscopic level are desired to obtain a complete picture of the process. Here, we demonstrate the capability of nano-FTIR microscopy to spectroscopically determine the nature of different corrosion products and their spatial distribution with a resolution of 20 nm, two-three orders of magnitude better than conventional IR microscopy. A copper surface was exposed to a humid atmosphere containing formic acid, and in addition to cuprite the corrosion product copper formate was observed to form inhomogeneously in particles of some tens to a few hundreds of nm.

sted, utgiver, år, opplag, sider
Elsevier, 2016. Vol. 108, s. 60-65
Emneord [en]
A. copper, B. AFM, B. IR spectroscopy, C. atmospheric corrosion, C. interfaces, Atmospheric corrosion, Copper, Corrosion, Copper formate, Copper surface, Corrosion products, FTIR microscopy, Humid atmospheres, Microscopic levels, Spatial resolution, Three orders of magnitude, Fourier transform infrared spectroscopy
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Identifikatorer
URN: urn:nbn:se:kth:diva-186910DOI: 10.1016/j.corsci.2016.02.037ISI: 000375887100006Scopus ID: 2-s2.0-84959920911OAI: oai:DiVA.org:kth-186910DiVA, id: diva2:929436
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QC 20160518

Tilgjengelig fra: 2016-05-18 Laget: 2016-05-16 Sist oppdatert: 2017-11-30bibliografisk kontrollert

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