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Plasmon resonance in sputtered gold films observed in scanning tunneling microscopy |
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| Authors: | J.P. Dufour T. David Y. Lacroute J.P. Goudonnet |
| Affiliation: | Laboratoire de Physique du Solide ERS 002. Université de Bourgogne, BP 138, F-21004, Dijon Cedex, France |
| Abstract: | Gold films grown on BaTiO3 substrates, illuminated by a monochromatic beam in the visible range, were investigated using scanning tunneling microscopy (STM). Irregular variations in the tip displacements versus photon energy are observed at energies of the surface plasmon resonances (2.0 ± 0.1 and 2.7 ± 0.1 eV) of the rough gold film. |
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