Determination of local defect density in diamond by double electron-electron resonance

Shang Li, Huijie Zheng, Zaili Peng, Mizuki Kamiya, Tomoyuki Niki, Viktor Stepanov, Andrey Jarmola, Yasuhiro Shimizu, Susumu Takahashi, Arne Wickenbrock, and Dmitry Budker
Phys. Rev. B 104, 094307 – Published 24 September 2021

Abstract

Magnetic impurities in diamond influence the relaxation properties and thus limit the sensitivity of magnetic, electric, strain, and temperature sensors based on nitrogen-vacancy color centers. Diamond samples may exhibit significant spatial variations in the impurity concentrations hindering the quantitative analysis of relaxation pathways. Here, we present a local measurement technique which can be used to determine the concentration of various species of defects by utilizing double electron-electron resonance. This method will help to improve the understanding of the physics underlying spin relaxation and guide the development of diamond samples, as well as offering protocols for optimized sensing.

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  • Received 11 April 2021
  • Accepted 27 August 2021

DOI:https://doi.org/10.1103/PhysRevB.104.094307

©2021 American Physical Society

Physics Subject Headings (PhySH)

Condensed Matter, Materials & Applied PhysicsAtomic, Molecular & Optical

Authors & Affiliations

Shang Li1,*, Huijie Zheng2,*,†, Zaili Peng3,*, Mizuki Kamiya1, Tomoyuki Niki1, Viktor Stepanov3, Andrey Jarmola4,5, Yasuhiro Shimizu1,‡, Susumu Takahashi3,6,§, Arne Wickenbrock2,7, and Dmitry Budker2,4,7

  • 1Department of Physics, Graduate School of Science, Nagoya University, Nagoya 464-8602, Japan
  • 2Johannes Gutenberg-Universität Mainz, 55128 Mainz, Germany
  • 3Department of Chemistry, University of Southern California, Los Angeles, California 90089, USA
  • 4Department of Physics, University of California, Berkeley, California 94720, USA
  • 5ODMR Technologies Inc., El Cerrito, California 94530, USA
  • 6Department of Physics and Astronomy, University of Southern California, Los Angeles, California 90089, USA
  • 7Helmholtz-Institut, GSI Helmholtzzentrum für Schwerionenforschung, 55128 Mainz, Germany

  • *These author contributed equally to this work.
  • zheng@uni-mainz.de
  • yasuhiro@iar.nagoya-u.ac.jp
  • §susumu.takahashi@usc.edu

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Issue

Vol. 104, Iss. 9 — 1 September 2021

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