Elastic Scattering by a Metal Sphere with an Adsorbed Molecule as a Model for the Detection of Single Molecules by Scanning Probe Enhanced Elastic Resonant Scattering (SPEERS)

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概要

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• It was shown previously that by scanning near-field optical microscopy (SNOM) using the tetrahedral tip (T-tip) as a probe it was possible to obtain images of metal nanoparticles at a resolution below 10 nm. Therefore we started to investigate whether it is possible to obtain images of single dye molecules at a resolution below 10 nm. A model is proposed for the detection of single molecules by SNOM by a probe enhanced elastic resonant scattering process. Local plasmon excitation of the T-tip is suggested to lead to a large enhancement of the elastic resonant scattering signal of a dye molecule.

• Publication Office, Japanese Journal of Applied Physics, Faculty of Science, University of Tokyoの論文
• 2001-06-30

著者

• Fischer Ulrich

  Physikalisches Institut, Westfälische Wilhelms-Universität, 48149 Münster, Germany

• Heimel Jorg

  Physikalisches Institut, Westfälische Wilhelms-Universität, 48149 Münster, Germany

関連論文

• Elastic Scattering by a Metal Sphere with an Adsorbed Molecule as a Model for the Detection of Single Molecules by Scanning Probe Enhanced Elastic Resonant Scattering (SPEERS)

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