A surface plasmon mean-free-path study of noble metal surfaces in the visible and near infrared

N. Kroo

doi:10.1117/12.2308636

26 July 1993 A surface plasmon mean-free-path study of noble metal surfaces in the visible and near infrared

N. Kroo

Proceedings Volume 1983, 16th Congress of the International Commission for Optics: Optics as a Key to High Technology; 198361 (1993) https://doi.org/10.1117/12.2308636
Event: 16th Congress of the International Commission for Optics: Optics as a Key to High Technology, 1993, Budapest, Hungary

Abstract

The surfaces of vacuum deposited thin films change very easily under the influence of atmospheric environment. In dependence of the chemical reactivity of the metal oxide, sulphide, nitride etc. overlayers will be formed more or less rapidly and water will condensate which, however, by chemisorption changes the chemical composition of the metal/air interface too. The analysis of small changes of the interface, i.e. at only a few atomic lay- ers of impurities, can not be possible with usual bulk methods. The parameters of surface electromagnetic waves (surface plasmons, SPO), which propagate along the metal/insulator interface are, however, extremely sensitive to the physico-chemical composition of the metal layer.

Citation Download Citation

N. Kroo "A surface plasmon mean-free-path study of noble metal surfaces in the visible and near infrared", Proc. SPIE 1983, 16th Congress of the International Commission for Optics: Optics as a Key to High Technology, 198361 (26 July 1993); https://doi.org/10.1117/12.2308636

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