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Nonvolatile nuclear spin memory enables sensor-unlimited nanoscale spectroscopy of small spin clusters

Author

Listed:
  • Matthias Pfender

    (University of Stuttgart)

  • Nabeel Aslam

    (University of Stuttgart)

  • Hitoshi Sumiya

    (Sumitomo Electric Industries Ltd.)

  • Shinobu Onoda

    (Takasaki Advanced Radiation Research Institute, National Institutes for Quantum and Radiological Science and Technology)

  • Philipp Neumann

    (University of Stuttgart)

  • Junichi Isoya

    (University of Tsukuba)

  • Carlos A. Meriles

    (CUNY—City College of New York)

  • Jörg Wrachtrup

    (University of Stuttgart)

Abstract

In nanoscale metrology, dissipation of the sensor limits its performance. Strong dissipation has a negative impact on sensitivity, and sensor–target interaction even causes relaxation or dephasing of the latter. The weak dissipation of nitrogen-vacancy (NV) sensors in room temperature diamond enables detection of individual target nuclear spins, yet limits the spectral resolution of nuclear magnetic resonance (NMR) spectroscopy to several hundred Hertz, which typically prevents molecular recognition. Here, we use the NV intrinsic nuclear spin as a nonvolatile classical memory to store NMR information, while suppressing sensor back-action on the target using controlled decoupling of sensor, memory, and target. We demonstrate memory lifetimes up to 4 min and apply measurement and decoupling protocols, which exploit such memories efficiently. Our universal NV-based sensor device records single-spin NMR spectra with 13 Hz resolution at room temperature.

Suggested Citation

  • Matthias Pfender & Nabeel Aslam & Hitoshi Sumiya & Shinobu Onoda & Philipp Neumann & Junichi Isoya & Carlos A. Meriles & Jörg Wrachtrup, 2017. "Nonvolatile nuclear spin memory enables sensor-unlimited nanoscale spectroscopy of small spin clusters," Nature Communications, Nature, vol. 8(1), pages 1-12, December.
    • Handle: RePEc:nat:natcom:v:8:y:2017:i:1:d:10.1038_s41467-017-00964-z
    DOI: 10.1038/s41467-017-00964-z
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    Cited by:

    1. Nikhil Mathur & Arunabh Mukherjee & Xingyu Gao & Jialun Luo & Brendan A. McCullian & Tongcang Li & A. Nick Vamivakas & Gregory D. Fuchs, 2022. "Excited-state spin-resonance spectroscopy of V $${}_{{{{{{{{\rm{B}}}}}}}}}^{-}$$ B − defect centers in hexagonal boron nitride," Nature Communications, Nature, vol. 13(1), pages 1-7, December.

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