Photoconductivity of graphene devices induced by terahertz radiation at various photon energies | Zendy

M. Salman | Zendy; F. Gouider | Zendy; M. Friedemann | Zendy; Hennrik Schmidt | Zendy; F. J. Ahlers | Zendy; Markus Göthlich | Zendy; R. J. Haug | Zendy; G. Nachtwei | Zendy

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Photoconductivity of graphene devices induced by terahertz radiation at various photon energies

Author(s) -

M. Salman,

F. Gouider,

M. Friedemann,

Hennrik Schmidt,

F. J. Ahlers,

Markus Göthlich,

R. J. Haug,

G. Nachtwei

Publication year - 2013

Publication title -

aip conference proceedings

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.177

H-Index - 75

eISSN - 1551-7616

pISSN - 0094-243X

DOI - 10.1063/1.4848443

Subject(s) - terahertz radiation , photoconductivity , graphene , landau quantization , magnetic field , optoelectronics , photon , scattering , range (aeronautics) , materials science , scattering rate , physics , condensed matter physics , optics , nanotechnology , quantum mechanics , composite material

The influence of a magnetic field on Landau levels (LLs) in graphene-based devices is described via the magneto-optical response induced by terahertz (THz) radiation. For single-layer graphene, the resonance energies of the transitions between the on Landau levels (LLs) such as L1, L2 and L3 fit quite well to the terahertz spectral range at low magnetic fields. Also, the calculations for the terahertz photoresponse (photoconductivity) in the presence of low magnetic fields, the reported calculations for the scattering rate of LLs, recent and our experimental results of photoresponse measurements yield that single-layer graphene is suitable for the detection of terahertz radiation.

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