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Dynamic Hall Effect Driven by Circularly Polarized Light in a Graphene Layer
University of Regensburg.
University of Regensburg.
University of Regensburg.
University of Regensburg.
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2010 (English)In: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 105, no 22, 227402- p.Article in journal (Refereed) Published
Abstract [en]

We report the observation of the circular ac Hall effect where the current is solely driven by the crossed ac electric and magnetic fields of circularly polarized radiation. Illuminating an unbiased monolayer sheet of graphene with circularly polarized terahertz radiation at room temperature generates-under oblique incidence-an electric current perpendicular to the plane of incidence, whose sign is reversed by switching the radiation helicity. Alike the classical dc Hall effect, the voltage is caused by crossed E and B fields which are, however rotating with the lights frequency.

Place, publisher, year, edition, pages
American Physical Society , 2010. Vol. 105, no 22, 227402- p.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-63957DOI: 10.1103/PhysRevLett.105.227402ISI: 000284532900028OAI: oai:DiVA.org:liu-63957DiVA: diva2:384735
Note
Original Publication: J. Karch, P. Olbrich, M. Schmalzbauer, C. Zoth, C. Brinsteiner, M. Fehrenbacher, U. Wurstbauer, M.M. Glazov, S.A. Tarasenko, E.L. Ivchenko, D. Weiss, J. Eroms, Rositsa Yakimova, S. Lara-Avila, S. Kubatkin and S.D. Ganichev, Dynamic Hall Effect Driven by Circularly Polarized Light in a Graphene Layer, 2010, Physical Review Letters, (105), 22, 227402. http://dx.doi.org/10.1103/PhysRevLett.105.227402 Copyright: American Physical Society http://www.aps.org/ Available from: 2011-01-10 Created: 2011-01-10 Last updated: 2017-12-11

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