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      Resonance broadening and tuning of split ring resonators by top-gated epitaxial graphene on SiC substrate

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      Author
      Cakmakyapan, S.
      Sahin, L.
      Pierini, F.
      Strupinski, W.
      Özbay, Ekmel
      Date
      2013
      Source Title
      Applied Physics Letters
      Print ISSN
      0003-6951
      Publisher
      AIP Publishing LLC
      Volume
      103
      Issue
      18
      Language
      English
      Type
      Article
      Item Usage Stats
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      Abstract
      Split ring resonators (SRRs) are subwavelength structures that are able to localize and enhance the electromagnetic wave. Controlling the plasmonic resonance behavior of metallic nanostructures, such as SRRs, plays an important role in optoelectronics and nanophotonics applications. Electrically tunable carrier concentration of graphene provides hybrid devices, where the plasmonic structures and graphene are combined. In this paper, we report the design, fabrication, and measurement of a device comprising a SRR array on epitaxial graphene. We obtained resonance broadening and tuning of split ring resonators by utilizing an epitaxial graphene transistor with transparent top-gate.
      Keywords
      Electrically tunable
      Epitaxial graphene
      Hybrid devices
      Metallic nanostructure
      Plasmonic resonances
      SiC substrates
      Split ring resonator
      Sub-wavelength structures
      Electromagnetic waves
      Epitaxial growth
      Graphene
      Optical resonators
      Plasmons
      Resonance
      Silicon carbide
      Ring gages
      Permalink
      http://hdl.handle.net/11693/20747
      Published Version (Please cite this version)
      http://dx.doi.org/10.1063/1.4828499
      Collections
      • Department of Electrical and Electronics Engineering 3524
      • Department of Physics 2299
      • Nanotechnology Research Center (NANOTAM) 1006
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