| Issue |
EPL
Volume 96, Number 3, November 2011
|
|
|---|---|---|
| Article Number | 37006 | |
| Number of page(s) | 4 | |
| Section | Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties | |
| DOI | https://doi.org/10.1209/0295-5075/96/37006 | |
| Published online | 14 October 2011 | |
Anisotropic photoconductivity in graphene
Institute for Theoretical Physics, University of Regensburg - D-93040 Regensburg, Germany, EU
a
maxim.trushin@physik.uni-regensburg.de
Received:
14
July
2011
Accepted:
6
September
2011
We investigate the photoconductivity of graphene within the relaxation time approximation. In the presence of the inter-band transitions induced by the linearly polarized light the photoconductivity turns out to be highly anisotropic due to the pseudospin selection rule for Dirac-like carriers. The effect can be observed in clean undoped graphene samples and can be utilized for light polarization detection.
PACS: 78.67.Wj – Optical properties of graphene / 73.50.Gr – Charge carriers: generation, recombination, lifetime, trapping, mean free paths / 73.50.Pz – Photoconduction and photovoltaic effects
© EPLA, 2011
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