Nonclassical Optical Properties of Mesoscopic Gold.

  title={Nonclassical Optical Properties of Mesoscopic Gold.},
  author={Swen Grossmann and Daniel Friedrich and Michael Karolak and Ren'e Kullock and Enno Krauss and Monika Emmerling and Giorgio Sangiovanni and Bert Hecht},
  journal={Physical review letters},
  volume={122 24},
Gold nanostructures have important applications in nanoelectronics, nano-optics, and in precision metrology due to their intriguing optoelectronic properties. These properties are governed by the bulk band structure but to some extent are tunable via geometrical resonances. Here we show that the band structure of gold itself exhibits significant size-dependent changes already for mesoscopic critical dimensions below 30 nm. To suppress the effects of geometrical resonances and grain boundaries… 

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