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Spectroscopy of Very thin metal layers on metallic surfaces using optical excitation of surface plasmons

Спектроскопия очень тонких металлических слоев на металлических поверхностях, используя оптическое возбуждение поверхностных плазмонов

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Il Nuovo Cimento B (1971-1996)

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Summary

We show how the optical constants of very thin layers deposited on metallic surfaces can be deduced from the modifications of theR p resonances due to excitation of surface plasma waves by the ATR method. The optical constants of discontinuous Au thin layers (thickness <20Å) on Ag surfaces, prepared and studied under ultrahigh vacuum, are determined over the (4000÷6000) Å spectral range.

Riassunto

Si mostra come le costanti ottiche di strati molto sottili depositati su superfici metalliche possano essere dedotti dalle modificazioni delle risonanzeR p dovute all’eccitazione di onde del plasma di superficie per mezzo del metodo ATR. Si determinano le costanti ottiche di strati sottili discontinui di Au (spessore <20 Å) su superfici di argento, preparate e studiate nell’ultravuoto, nell’intervallo spettrale tra 4000 e 6000 Å.

Резюме

Мы показываем, как оптические постоянные очень тонких слоев, нанесенных на металлические поверхости, могут быть получены из преобразованийR p резонансов, благодаря возбуждению поверхностных пласменных волн с помощью ATR метода. В спектральной области (4000÷6000) Å определяются оптические постоянные дискретных золотых тонких слоев (толщина <20Å) на серебряных поверхностях, приготовленных и исследованных при ультравысоком вакууме.

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Footnotes

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Equipe de Recherche Associée au C.N.R.S.

Traduzione a cura della Redazione.

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Lopez-Rios, T., Vuye, G. Spectroscopy of Very thin metal layers on metallic surfaces using optical excitation of surface plasmons. Nuov Cim B 39, 823–827 (1977). https://doi.org/10.1007/BF02725830

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  • DOI: https://doi.org/10.1007/BF02725830

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