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Molding of plasmonic resonances in metallic nanostructures: Dependence of the non-linear electric permittivity on system size and temperature

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  • معلومة اضافية
    • Contributors:
      King Abdullah University of Science and Technology (KAUST); Biological and Environmental Sciences and Engineering (BESE) Division; Environmental Science and Engineering Program; Material Science and Engineering Program; Physical Science and Engineering (PSE) Division; Istituto Italiano di Tecnologia, Via Morego 30, Genova 16163, Italy; Bio-Nanotechnology and Engineering for Medicine (BIONEM), Department of Experimental and Clinical Medicine, University of Magna Graecia Viale Europa, Germaneto, Catanzaro 88100, Italy
    • بيانات النشر:
      MDPI AG
    • الموضوع:
      2013
    • Collection:
      King Abdullah University of Science and Technology: KAUST Repository
    • نبذة مختصرة :
      In this paper, we review the principal theoretical models through which the dielectric function of metals can be described. Starting from the Drude assumptions for intraband transitions, we show how this model can be improved by including interband absorption and temperature effect in the damping coefficients. Electronic scattering processes are described and included in the dielectric function, showing their role in determining plasmon lifetime at resonance. Relationships among permittivity, electric conductivity and refractive index are examined. Finally, a temperature dependent permittivity model is presented and is employed to predict temperature and non-linear field intensity dependence on commonly used plasmonic geometries, such as nanospheres. 2013 by the authors; licensee MDPI, Basel, Switzerland.
    • File Description:
      application/pdf
    • ISSN:
      19961944
    • Relation:
      Alabastri A, Tuccio S, Giugni A, Toma A, Liberale C, et al. (2013) Molding of Plasmonic Resonances in Metallic Nanostructures: Dependence of the Non-Linear Electric Permittivity on System Size and Temperature. Materials 6: 4879-4910. doi:10.3390/ma6114879.; Materials; http://hdl.handle.net/10754/334523
    • الرقم المعرف:
      10.3390/ma6114879
    • Rights:
      This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. ; Archived with thanks to Materials ; http://creativecommons.org/licenses/by/3.0/
    • الرقم المعرف:
      edsbas.6BEFB464