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Readout and control of an endofullerene electronic spin

Author

Listed:
  • Dinesh Pinto

    (Max Planck Institute for Solid State Research
    École Polytechnique Fédérale de Lausanne)

  • Domenico Paone

    (Max Planck Institute for Solid State Research
    University of Stuttgart)

  • Bastian Kern

    (Max Planck Institute for Solid State Research)

  • Tim Dierker

    (University of Osnabrück)

  • René Wieczorek

    (University of Osnabrück)

  • Aparajita Singha

    (Max Planck Institute for Solid State Research)

  • Durga Dasari

    (University of Stuttgart)

  • Amit Finkler

    (University of Stuttgart
    Weizmann Institute of Science)

  • Wolfgang Harneit

    (University of Osnabrück)

  • Jörg Wrachtrup

    (Max Planck Institute for Solid State Research
    University of Stuttgart)

  • Klaus Kern

    (Max Planck Institute for Solid State Research
    École Polytechnique Fédérale de Lausanne)

Abstract

Atomic spins for quantum technologies need to be individually addressed and positioned with nanoscale precision. C60 fullerene cages offer a robust packaging for atomic spins, while allowing in-situ physical positioning at the nanoscale. However, achieving single-spin level readout and control of endofullerenes has so far remained elusive. In this work, we demonstrate electron paramagnetic resonance on an encapsulated nitrogen spin (14N@C60) within a C60 matrix using a single near-surface nitrogen vacancy (NV) center in diamond at 4.7 K. Exploiting the strong magnetic dipolar interaction between the NV and endofullerene electronic spins, we demonstrate radio-frequency pulse controlled Rabi oscillations and measure spin-echos on an encapsulated spin. Modeling the results using second-order perturbation theory reveals an enhanced hyperfine interaction and zero-field splitting, possibly caused by surface adsorption on diamond. These results demonstrate the first step towards controlling single endofullerenes, and possibly building large-scale endofullerene quantum machines, which can be scaled using standard positioning or self-assembly methods.

Suggested Citation

  • Dinesh Pinto & Domenico Paone & Bastian Kern & Tim Dierker & René Wieczorek & Aparajita Singha & Durga Dasari & Amit Finkler & Wolfgang Harneit & Jörg Wrachtrup & Klaus Kern, 2020. "Readout and control of an endofullerene electronic spin," Nature Communications, Nature, vol. 11(1), pages 1-6, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-20202-3
    DOI: 10.1038/s41467-020-20202-3
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    Cited by:

    1. Zhuoyang Qin & Zhecheng Wang & Fei Kong & Jia Su & Zhehua Huang & Pengju Zhao & Sanyou Chen & Qi Zhang & Fazhan Shi & Jiangfeng Du, 2023. "In situ electron paramagnetic resonance spectroscopy using single nanodiamond sensors," Nature Communications, Nature, vol. 14(1), pages 1-8, December.
    2. Alexander Savvin & Alexander Dormidonov & Evgeniya Smetanina & Vladimir Mitrokhin & Evgeniy Lipatov & Dmitriy Genin & Sergey Potanin & Alexander Yelisseyev & Viktor Vins, 2021. "NV– diamond laser," Nature Communications, Nature, vol. 12(1), pages 1-8, December.

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