Enhanced generation and anisotropic Coulomb scattering of hot electrons in an ultra-broadband plasmonic nanopatch metasurface

The creation of energetic electrons through plasmon excitation has implications in optical energy conversion and ultrafast nanophotonics. Here, the authors find evidence for three subpopulations of nonthermal carriers which arise from anisotropic electron-electron scattering near the Fermi surface.

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Auteurs principaux: Matthew E. Sykes, Jon W. Stewart, Gleb M. Akselrod, Xiang-Tian Kong, Zhiming Wang, David J. Gosztola, Alex B. F. Martinson, Daniel Rosenmann, Maiken H. Mikkelsen, Alexander O. Govorov, Gary P. Wiederrecht
Format: article
Langue:EN
Publié: Nature Portfolio 2017
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Accès en ligne:https://doaj.org/article/57ffaf1d62aa4eaa9b947b4d75dcaaab
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Résumé:The creation of energetic electrons through plasmon excitation has implications in optical energy conversion and ultrafast nanophotonics. Here, the authors find evidence for three subpopulations of nonthermal carriers which arise from anisotropic electron-electron scattering near the Fermi surface.