Browsing by Subject "Corbino geometry"

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  • Enhanced localization in Landau-quantized systems induced by very low frequencies 
    Buß, A.; Hohls, Frank; Haug, Rolf J.; Stellmach, C.; Hein, G.; Nachtwei, G. (College Park, MD : American Institute of Physics, 2005)
    Quantum Hall samples with Corbino geometry show an enhanced hysteresis of the I-V curves near the breakdown of the Quantum Hall effect at low AC frequencies. We explain this finding within a hot-electron model by an assumed ...
  • Terahertz detectors based on graphene 
    Gouider, Fathi; Salman, Majdi; Göthlich, Markus; Schmidt, Hennrik; Ahlers, Franz-J.; Haug, Rolf J.; Nachtwei, Georg (Bristol : Institute of Physics Publishing, 2013)
    In this study we present magnetotransport an magnetooptical data obtained in the magnetic field range 0T < B < 7T at detectors patterned in Corbino geometry on epitaxial graphene wafer using a Ge detector. We observed ...