Symmetry-Breaking Supercollisions in Landau-Quantized Graphene

Florian Wendler, Martin Mittendorff, Jacob C. König-Otto, Samuel Brem, Claire Berger, Walter A. de Heer, Roman Böttger, Harald Schneider, Manfred Helm, Stephan Winnerl, and Ermin Malic
Phys. Rev. Lett. 119, 067405 – Published 10 August 2017; Erratum Phys. Rev. Lett. 120, 229901 (2018)
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Abstract

Recent pump-probe experiments performed on graphene in a perpendicular magnetic field have revealed carrier relaxation times ranging from picoseconds to nanoseconds depending on the quality of the sample. To explain this surprising behavior, we propose a novel symmetry-breaking defect-assisted relaxation channel. This enables scattering of electrons with single out-of-plane phonons, which drastically accelerate the carrier scattering time in low-quality samples. The gained insights provide a strategy for tuning the carrier relaxation time in graphene and related materials by orders of magnitude.

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  • Received 9 March 2017
  • Corrected 21 May 2018

DOI:https://doi.org/10.1103/PhysRevLett.119.067405

© 2017 American Physical Society

Physics Subject Headings (PhySH)

Nonlinear DynamicsCondensed Matter, Materials & Applied Physics

Corrections

21 May 2018

Erratum

Publisher’s Note: Symmetry-Breaking Supercollisions in Landau-Quantized Graphene [Phys. Rev. Lett. 119, 067405 (2017)]

Florian Wendler, Martin Mittendorff, Jacob C. König-Otto, Samuel Brem, Claire Berger, Walter A. de Heer, Roman Böttger, Harald Schneider, Manfred Helm, Stephan Winnerl, and Ermin Malic
Phys. Rev. Lett. 120, 229901 (2018)

Authors & Affiliations

Florian Wendler1,*, Martin Mittendorff2,3, Jacob C. König-Otto3,4, Samuel Brem1, Claire Berger5,6, Walter A. de Heer5,7, Roman Böttger3, Harald Schneider3, Manfred Helm3,4, Stephan Winnerl3, and Ermin Malic8

  • 1Department of Theoretical Physics, Technical University Berlin, 10623 Berlin, Germany
  • 2Institute for Research in Electronics & Applied Physics, University of Maryland, College Park, Maryland 20742, USA
  • 3Helmholtz-Zentrum Dresden-Rossendorf, PO Box 510119, D-01314 Dresden, Germany
  • 4Technische Universität Dresden, D-01062 Dresden, Germany
  • 5Georgia Institute of Technology, Atlanta, Georgia 30332, USA
  • 6Institut Néel, CNRS-Université Alpes, 38042 Grenoble, France
  • 7TICNN Tianjin University, Tianjin, China
  • 8Department of Physics, Chalmers University of Technology, 41296 Gothenburg, Sweden

  • *florian.wendler@fu-berlin.de

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Issue

Vol. 119, Iss. 6 — 11 August 2017

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