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Biexcitons in monolayer transition metal dichalcogenides tuned by magnetic fields

Author

Listed:
  • Christopher. E. Stevens

    (University of South Florida)

  • Jagannath Paul

    (University of South Florida)

  • Timothy Cox

    (University of South Florida)

  • Prasana K. Sahoo

    (University of South Florida)

  • Humberto R. Gutiérrez

    (University of South Florida)

  • Volodymyr Turkowski

    (University of Central Florida)

  • Dimitry Semenov

    (Florida State University)

  • Steven A. McGill

    (Florida State University)

  • Myron D. Kapetanakis

    (University of Alabama at Birmingham)

  • Ilias E. Perakis

    (University of Alabama at Birmingham)

  • David J. Hilton

    (University of Alabama at Birmingham)

  • Denis Karaiskaj

    (University of South Florida)

Abstract

We present time-integrated four-wave mixing measurements on monolayer MoSe2 in magnetic fields up to 25 T. The experimental data together with time-dependent density function theory calculations provide interesting insights into the biexciton formation and dynamics. In the presence of magnetic fields the coherence at negative and positive time delays is dominated by intervalley biexcitons. We demonstrate that magnetic fields can serve as a control to enhance the biexciton formation and help search for more exotic states of matter, including the creation of multiple exciton complexes and excitonic condensates.

Suggested Citation

  • Christopher. E. Stevens & Jagannath Paul & Timothy Cox & Prasana K. Sahoo & Humberto R. Gutiérrez & Volodymyr Turkowski & Dimitry Semenov & Steven A. McGill & Myron D. Kapetanakis & Ilias E. Perakis &, 2018. "Biexcitons in monolayer transition metal dichalcogenides tuned by magnetic fields," Nature Communications, Nature, vol. 9(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-05643-1
    DOI: 10.1038/s41467-018-05643-1
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    Cited by:

    1. Kai-Qiang Lin & Jonas D. Ziegler & Marina A. Semina & Javid V. Mamedov & Kenji Watanabe & Takashi Taniguchi & Sebastian Bange & Alexey Chernikov & Mikhail M. Glazov & John M. Lupton, 2022. "High-lying valley-polarized trions in 2D semiconductors," Nature Communications, Nature, vol. 13(1), pages 1-8, December.

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