Browsing by Keywords "band gap"

Now showing items 1-4 of 4

    • A desity functional study on narrow band gap donor-acceptor type conducting polymers 

      Karaltı, Ozan (Bilkent University, 2004)
      The band gap is one of the most important factors for controlling the physical properties. The search for polymers having narrow band gaps is a current topic. Tuning of the band gap by structural modification is possible. ...

    • Electronic structure of graphene nano-ribbons 

      Şen, Hüseyin Şener (Bilkent University, 2008)
      Graphite is a known material to human kind for centuries as the lead of a pencil. Graphene as a two dimensional material, is the single layer of graphite. Many theoretical works have been done about it so far, however, ...

    • First-principles investigation of graphitic nanostructures 

      Şen, Hüseyin Şener (Bilkent University, 2013)
      In this thesis, first-principles investigations of several graphene related nanosystems based on density functional theory are presented. First, the electronic structure of several graphene nano-ribbons both in 1D and ...

    • Quantum entanglement and light propagation through Bose-Einstein condensate (BEC) 

      Taşgın, Mehmet Emre (Bilkent University, 2009)
      We investigate the optical response of coherent media, a Bose-Einstein condensate (BEC), to intense laser pump stimulations and weak probe pulse propagation. First, we adopt the coherence in sequential superradiance ...