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To the theory of the first layer effect in surface enhanced spectroscopy

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Abstract

It is demonstrated that the primary enhancement of SEIRA, SERS and SEHRS signals arising from the first layer of adsorbed molecules is associated not with the so-called “chemical enhancement,” as it is well accepted in literature, but with a pure electrodynamical effect. Its nature is associated with a very strong difference in the values of the electric field and its derivatives in the first, second and the next layers of adsorbed molecules in the areas of so-called “active sites” or “hot spots.”

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Authors and Affiliations

  1. A. F. Ioffe Physico-Technical Institute, Russian Academy of Sciences, St. Petersburg, 194021, Russia

    A. M. Polubotko

  2. The ITMO University, St. Petersburg, 197101, Russia

    V. P. Chelibanov

Authors
  1. A. M. Polubotko
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  2. V. P. Chelibanov
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Correspondence to A. M. Polubotko.

Additional information

Original Russian Text © A.M. Polubotko, V.P. Chelibanov, 2015, published in Optika i Spektroskopiya, 2015, Vol. 119, No. 4, pp. 643–644.

The article was translated by the authors.

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Polubotko, A.M., Chelibanov, V.P. To the theory of the first layer effect in surface enhanced spectroscopy. Opt. Spectrosc. 119, 664–665 (2015). https://doi.org/10.1134/S0030400X15100227

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  • DOI: https://doi.org/10.1134/S0030400X15100227

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