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Nano Lett. 2020 May 13;20(5):3147-3154. doi: 10.1021/acs.nanolett.9b05138. Epub 2020 Mar 31.

Unveiling Valley Lifetimes of Free Charge Carriers in Monolayer WSe.

Nano letters

Manfred Ersfeld, Frank Volmer, Lars Rathmann, Luca Kotewitz, Maximilian Heithoff, Mark Lohmann, Bowen Yang, Kenji Watanabe, Takashi Taniguchi, Ludwig Bartels, Jing Shi, Christoph Stampfer, Bernd Beschoten

Affiliations

  1. 2nd Institute of Physics and JARA-FIT, RWTH Aachen University, Aachen 52074, Germany.
  2. Department of Physics and Astronomy, University of California, Riverside, Riverside 92521, California, United States.
  3. Department of Chemistry and Materials Science & Engineering Program, University of California, Riverside 92521, California, United States.
  4. National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan.
  5. Peter Grünberg Institute, Forschungszentrum Jülich, Jülich 52425, Germany.

PMID: 32202802 DOI: 10.1021/acs.nanolett.9b05138

Abstract

We report on nanosecond-long, gate-dependent valley lifetimes of free charge carriers in monolayer WSe

Keywords: free charge carriers; monolayer WSe2; time-resolved Kerr rotation; transition-metal dichalcogenides; valley lifetime

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