Auflistung nach Schlagwort "Gate voltages"

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  • Aharonov-Bohm effect in an electron-hole graphene ring system 
    Smirnov, D.; Schmidt, H.; Haug, Rolf J. (College Park, MD : American Institute of Physics, 2012)
    Aharonov-Bohm oscillations are observed in a graphene quantum ring with a topgate covering one arm of the ring. As graphene is a gapless semiconductor, this geometry allows to study not only the quantum interference of ...
  • Quantum dot device tunable from single to triple dot system 
    Rogge, M.C.; Pierz, Klaus; Haug, Rolf J. (College Park, MD : American Institute of Physics, 2013)
    We present a lateral quantum dot device which has a tunable number of quantum dots. Depending on easily tunable gate voltages, one, two or three quantum dots are found. They are investigated in transport and charge detection. ...
  • Quantum interference in an electron-hole graphene ring system 
    Smirnov, D.; Schmidt, H.; Haug, Rolf J. (College Park, MD : American Institute of Physics, 2013)
    Quantum interference is observed in a graphene ring system via the Aharonov Bohm effect. As graphene is a gapless semiconductor, this geometry allows to study the unique situation of quantum interference between electrons ...