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The role of chalcogen vacancies for atomic defect emission in MoS2

Author

Listed:
  • Elmar Mitterreiter

    (Technical University of Munich
    Munich Center for Quantum Science and Technology (MCQST))

  • Bruno Schuler

    (Lawrence Berkeley National Laboratory
    Empa – Swiss Federal Laboratories for Materials Science and Technology)

  • Ana Micevic

    (Technical University of Munich
    Munich Center for Quantum Science and Technology (MCQST))

  • Daniel Hernangómez-Pérez

    (Weizmann Institute of Science)

  • Katja Barthelmi

    (Technical University of Munich
    Munich Center for Quantum Science and Technology (MCQST))

  • Katherine A. Cochrane

    (Lawrence Berkeley National Laboratory)

  • Jonas Kiemle

    (Technical University of Munich
    Munich Center for Quantum Science and Technology (MCQST))

  • Florian Sigger

    (Technical University of Munich
    Munich Center for Quantum Science and Technology (MCQST))

  • Julian Klein

    (Technical University of Munich
    Massachusetts Institute of Technology)

  • Edward Wong

    (Lawrence Berkeley National Laboratory)

  • Edward S. Barnard

    (Lawrence Berkeley National Laboratory)

  • Kenji Watanabe

    (National Institute for Materials Science)

  • Takashi Taniguchi

    (National Institute for Materials Science)

  • Michael Lorke

    (University of Bremen
    University of Bremen)

  • Frank Jahnke

    (University of Bremen)

  • Johnathan J. Finley

    (Technical University of Munich
    Munich Center for Quantum Science and Technology (MCQST))

  • Adam M. Schwartzberg

    (Lawrence Berkeley National Laboratory)

  • Diana Y. Qiu

    (Yale University)

  • Sivan Refaely-Abramson

    (Weizmann Institute of Science)

  • Alexander W. Holleitner

    (Technical University of Munich
    Munich Center for Quantum Science and Technology (MCQST))

  • Alexander Weber-Bargioni

    (Lawrence Berkeley National Laboratory)

  • Christoph Kastl

    (Technical University of Munich
    Munich Center for Quantum Science and Technology (MCQST))

Abstract

For two-dimensional (2D) layered semiconductors, control over atomic defects and understanding of their electronic and optical functionality represent major challenges towards developing a mature semiconductor technology using such materials. Here, we correlate generation, optical spectroscopy, atomic resolution imaging, and ab initio theory of chalcogen vacancies in monolayer MoS2. Chalcogen vacancies are selectively generated by in-vacuo annealing, but also focused ion beam exposure. The defect generation rate, atomic imaging and the optical signatures support this claim. We discriminate the narrow linewidth photoluminescence signatures of vacancies, resulting predominantly from localized defect orbitals, from broad luminescence features in the same spectral range, resulting from adsorbates. Vacancies can be patterned with a precision below 10 nm by ion beams, show single photon emission, and open the possibility for advanced defect engineering of 2D semiconductors at the ultimate scale.

Suggested Citation

  • Elmar Mitterreiter & Bruno Schuler & Ana Micevic & Daniel Hernangómez-Pérez & Katja Barthelmi & Katherine A. Cochrane & Jonas Kiemle & Florian Sigger & Julian Klein & Edward Wong & Edward S. Barnard &, 2021. "The role of chalcogen vacancies for atomic defect emission in MoS2," Nature Communications, Nature, vol. 12(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-24102-y
    DOI: 10.1038/s41467-021-24102-y
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    Cited by:

    1. Song Li & Gergő Thiering & Péter Udvarhelyi & Viktor Ivády & Adam Gali, 2022. "Carbon defect qubit in two-dimensional WS2," Nature Communications, Nature, vol. 13(1), pages 1-7, December.
    2. Feifei Xiang & Lysander Huberich & Preston A. Vargas & Riccardo Torsi & Jonas Allerbeck & Anne Marie Z. Tan & Chengye Dong & Pascal Ruffieux & Roman Fasel & Oliver Gröning & Yu-Chuan Lin & Richard G. , 2024. "Charge state-dependent symmetry breaking of atomic defects in transition metal dichalcogenides," Nature Communications, Nature, vol. 15(1), pages 1-9, December.
    3. M. Iqbal Bakti Utama & Hongfei Zeng & Tumpa Sadhukhan & Anushka Dasgupta & S. Carin Gavin & Riddhi Ananth & Dmitry Lebedev & Wei Wang & Jia-Shiang Chen & Kenji Watanabe & Takashi Taniguchi & Tobin J. , 2023. "Chemomechanical modification of quantum emission in monolayer WSe2," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    4. Wiebke Bennecke & Andreas Windischbacher & David Schmitt & Jan Philipp Bange & Ralf Hemm & Christian S. Kern & Gabriele D’Avino & Xavier Blase & Daniel Steil & Sabine Steil & Martin Aeschlimann & Benj, 2024. "Disentangling the multiorbital contributions of excitons by photoemission exciton tomography," Nature Communications, Nature, vol. 15(1), pages 1-10, December.

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