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Nanoscale electrical conductivity imaging using a nitrogen-vacancy center in diamond

Author

Listed:
  • Amila Ariyaratne

    (University of California Santa Barbara)

  • Dolev Bluvstein

    (University of California Santa Barbara)

  • Bryan A. Myers

    (University of California Santa Barbara)

  • Ania C. Bleszynski Jayich

    (University of California Santa Barbara)

Abstract

The electrical conductivity of a material can feature subtle, non-trivial, and spatially varying signatures with critical insight into the material’s underlying physics. Here we demonstrate a conductivity imaging technique based on the atom-sized nitrogen-vacancy (NV) defect in diamond that offers local, quantitative, and non-invasive conductivity imaging with nanoscale spatial resolution. We monitor the spin relaxation rate of a single NV center in a scanning probe geometry to quantitatively image the magnetic fluctuations produced by thermal electron motion in nanopatterned metallic conductors. We achieve 40-nm scale spatial resolution of the conductivity and realize a 25-fold increase in imaging speed by implementing spin-to-charge conversion readout of a shallow NV center. NV-based conductivity imaging can probe condensed-matter systems in a new regime not accessible to existing technologies, and as a model example, we project readily achievable imaging of nanoscale phase separation in complex oxides.

Suggested Citation

  • Amila Ariyaratne & Dolev Bluvstein & Bryan A. Myers & Ania C. Bleszynski Jayich, 2018. "Nanoscale electrical conductivity imaging using a nitrogen-vacancy center in diamond," Nature Communications, Nature, vol. 9(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-04798-1
    DOI: 10.1038/s41467-018-04798-1
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    Cited by:

    1. Mengqi Huang & Zeliang Sun & Gerald Yan & Hongchao Xie & Nishkarsh Agarwal & Gaihua Ye & Suk Hyun Sung & Hanyi Lu & Jingcheng Zhou & Shaohua Yan & Shangjie Tian & Hechang Lei & Robert Hovden & Rui He , 2023. "Revealing intrinsic domains and fluctuations of moiré magnetism by a wide-field quantum microscope," Nature Communications, Nature, vol. 14(1), pages 1-7, December.
    2. Yu-Xin Wang & Aashish A. Clerk, 2021. "Intrinsic and induced quantum quenches for enhancing qubit-based quantum noise spectroscopy," Nature Communications, Nature, vol. 12(1), pages 1-14, December.
    3. 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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