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NV-Diamond Magnetometer Using Electron Irradiation

Published online by Cambridge University Press:  15 January 2013

Edwin Kim
Affiliation:
Cypress Semiconductor, 1850 Ramtron Drive, Colorado Springs, CO 80921, USA
Victor M. Acosta
Affiliation:
Hewlett-Packard Laboratories, 1501 Page Mill Road, Palo Alto, CA 94304, USA Department of Physics, University of California, Berkeley, CA 94720-7300, USA
Erik Bauch
Affiliation:
Department of Physics, University of California, Berkeley, CA 94720-7300, USA Technische Universität Berlin, Hardenbergstrasse 28, 10623 Berlin, Germany
Dmitry Budker
Affiliation:
Department of Physics, University of California, Berkeley, CA 94720-7300, USA Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
Philip R. Hemmer
Affiliation:
Department of Electrical and Computer Engineering, Texas A&M University, College Station, TX 77843-3128, USA
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Abstract

Nitrogen-vacancy (NV) center in diamond is an emerging system for quantum-logic device and sensor applications. The key feature of the NV center is the ability of spin manipulation at room temperature. We apply a wide range of electron irradiation to generate the NV centers in nitrogen-rich diamond for creating best sensitivity. The NV0 and NV concentrations in electron irradiated diamond are determined from optical spectra. Additionally, electron spin resonance (ESR) has also proven to be an effective method for probing the electron spin transition between |ms=±1> and |ms=0> states of the NV centers. A study of ESR frequency shift and signal broadening and magnetometer sensitivity as a function of electron irradiation dose has been conducted. The research presented herein is a demonstration of minimum detectable magnetic field tailoring required for future-generation high-sensitivity diamond magnetometry.

Type
Articles
Copyright
Copyright © Materials Research Society 2013

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References

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