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Nanoscale magnetic sensing with an individual electronic spin in diamond

Detection of weak magnetic fields with nanoscale spatial resolution is an outstanding problem in the biological and physical sciences. For example, at a distance of 10 nm, the spin of a single electron produces a magnetic field of about 1  T, and the corresponding field from a single proton is a few... Full description

Journal Title: Nature 2008, Vol.455 (7213), p.644-647
Main Author: Walsworth, R. L
Other Authors: Hodges, J. S , Jiang, L , Dutt, M. V. Gurudev , Taylor, J. M , Maze, J. R , Stanwix, P. L , Lukin, M. D , Hong, S , Cappellaro, P , Zibrov, A. S , Yacoby, A , Togan, E
Format: Electronic Article Electronic Article
Language: English
Subjects:
Publisher: London: Nature Publishing
ID: ISSN: 0028-0836
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recordid: cdi_proquest_miscellaneous_743347740
title: Nanoscale magnetic sensing with an individual electronic spin in diamond
format: Article
creator:
  • Walsworth, R. L
  • Hodges, J. S
  • Jiang, L
  • Dutt, M. V. Gurudev
  • Taylor, J. M
  • Maze, J. R
  • Stanwix, P. L
  • Lukin, M. D
  • Hong, S
  • Cappellaro, P
  • Zibrov, A. S
  • Yacoby, A
  • Togan, E
subjects:
  • Atomic properties
  • Biological and medical sciences
  • Biotechnology
  • Diamond crystals
  • Diamonds
  • Electrons
  • Exact sciences and technology
  • Fundamental and applied biological sciences. Psychology
  • General
  • General aspects, investigation technics, apparatus
  • Instruments, apparatus, components and techniques common to several branches of physics and astronomy
  • Magnetic components, instruments and techniques
  • Magnetic fields
  • Methods. Procedures. Technologies
  • Others
  • Physics
  • Properties
  • Tissues, organs and organisms biophysics
  • Various methods and equipments
ispartof: Nature, 2008, Vol.455 (7213), p.644-647
description: Detection of weak magnetic fields with nanoscale spatial resolution is an outstanding problem in the biological and physical sciences. For example, at a distance of 10 nm, the spin of a single electron produces a magnetic field of about 1  T, and the corresponding field from a single proton is a few nanoteslas. A sensor able to detect such magnetic fields with nanometre spatial resolution would enable powerful applications, ranging from the detection of magnetic resonance signals from individual electron or nuclear spins in complex biological molecules to readout of classical or quantum bits of information encoded in an electron or nuclear spin memory. Here we experimentally demonstrate an approach to such nanoscale magnetic sensing, using coherent manipulation of an individual electronic spin qubit associated with a nitrogen-vacancy impurity in diamond at room temperature. Using an ultra-pure diamond sample, we achieve detection of 3 nT magnetic fields at kilohertz frequencies after 100 s of averaging. In addition, we demonstrate a sensitivity of 0.5  T Hz-1/2 for a diamond nanocrystal with a diameter of 30 nm.
language: eng
source:
identifier: ISSN: 0028-0836
fulltext: no_fulltext
issn:
  • 0028-0836
  • 1476-4687
url: Link


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creatorWalsworth, R. L ; Hodges, J. S ; Jiang, L ; Dutt, M. V. Gurudev ; Taylor, J. M ; Maze, J. R ; Stanwix, P. L ; Lukin, M. D ; Hong, S ; Cappellaro, P ; Zibrov, A. S ; Yacoby, A ; Togan, E
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descriptionDetection of weak magnetic fields with nanoscale spatial resolution is an outstanding problem in the biological and physical sciences. For example, at a distance of 10 nm, the spin of a single electron produces a magnetic field of about 1  T, and the corresponding field from a single proton is a few nanoteslas. A sensor able to detect such magnetic fields with nanometre spatial resolution would enable powerful applications, ranging from the detection of magnetic resonance signals from individual electron or nuclear spins in complex biological molecules to readout of classical or quantum bits of information encoded in an electron or nuclear spin memory. Here we experimentally demonstrate an approach to such nanoscale magnetic sensing, using coherent manipulation of an individual electronic spin qubit associated with a nitrogen-vacancy impurity in diamond at room temperature. Using an ultra-pure diamond sample, we achieve detection of 3 nT magnetic fields at kilohertz frequencies after 100 s of averaging. In addition, we demonstrate a sensitivity of 0.5  T Hz-1/2 for a diamond nanocrystal with a diameter of 30 nm.
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subjectAtomic properties ; Biological and medical sciences ; Biotechnology ; Diamond crystals ; Diamonds ; Electrons ; Exact sciences and technology ; Fundamental and applied biological sciences. Psychology ; General ; General aspects, investigation technics, apparatus ; Instruments, apparatus, components and techniques common to several branches of physics and astronomy ; Magnetic components, instruments and techniques ; Magnetic fields ; Methods. Procedures. Technologies ; Others ; Physics ; Properties ; Tissues, organs and organisms biophysics ; Various methods and equipments
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descriptionDetection of weak magnetic fields with nanoscale spatial resolution is an outstanding problem in the biological and physical sciences. For example, at a distance of 10 nm, the spin of a single electron produces a magnetic field of about 1  T, and the corresponding field from a single proton is a few nanoteslas. A sensor able to detect such magnetic fields with nanometre spatial resolution would enable powerful applications, ranging from the detection of magnetic resonance signals from individual electron or nuclear spins in complex biological molecules to readout of classical or quantum bits of information encoded in an electron or nuclear spin memory. Here we experimentally demonstrate an approach to such nanoscale magnetic sensing, using coherent manipulation of an individual electronic spin qubit associated with a nitrogen-vacancy impurity in diamond at room temperature. Using an ultra-pure diamond sample, we achieve detection of 3 nT magnetic fields at kilohertz frequencies after 100 s of averaging. In addition, we demonstrate a sensitivity of 0.5  T Hz-1/2 for a diamond nanocrystal with a diameter of 30 nm.
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6Exact sciences and technology
7Fundamental and applied biological sciences. Psychology
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9General aspects, investigation technics, apparatus
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authorWalsworth, R. L ; Hodges, J. S ; Jiang, L ; Dutt, M. V. Gurudev ; Taylor, J. M ; Maze, J. R ; Stanwix, P. L ; Lukin, M. D ; Hong, S ; Cappellaro, P ; Zibrov, A. S ; Yacoby, A ; Togan, E
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abstractDetection of weak magnetic fields with nanoscale spatial resolution is an outstanding problem in the biological and physical sciences. For example, at a distance of 10 nm, the spin of a single electron produces a magnetic field of about 1  T, and the corresponding field from a single proton is a few nanoteslas. A sensor able to detect such magnetic fields with nanometre spatial resolution would enable powerful applications, ranging from the detection of magnetic resonance signals from individual electron or nuclear spins in complex biological molecules to readout of classical or quantum bits of information encoded in an electron or nuclear spin memory. Here we experimentally demonstrate an approach to such nanoscale magnetic sensing, using coherent manipulation of an individual electronic spin qubit associated with a nitrogen-vacancy impurity in diamond at room temperature. Using an ultra-pure diamond sample, we achieve detection of 3 nT magnetic fields at kilohertz frequencies after 100 s of averaging. In addition, we demonstrate a sensitivity of 0.5  T Hz-1/2 for a diamond nanocrystal with a diameter of 30 nm.
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