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

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 qu...

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Published inarXiv.org
Main Authors Shang, Li, Zheng, Huijie, Peng, Zaili, Kamiya, Mizuki, Niki, Tomoyuki, Stepanov, Viktor, Jarmola, Andrey, Shimizu, Yasuhiro, Takahashi, Susumu, Wickenbrock, Arne, Budker, Dmitry
Format Paper Journal Article
LanguageEnglish
Published Ithaca Cornell University Library, arXiv.org 01.04.2021
Subjects
Color centers
Diamonds
Electrons
Impurities
Magnetic properties
Magnetic resonance
Measurement techniques
Physics - Mesoscale and Nanoscale Physics
Physics - Quantum Physics
Resonance
Temperature sensors
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Summary: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.
ISSN:2331-8422
DOI:10.48550/arxiv.2104.00744