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Research ArticleArticles

The promise of optical NMR spectroscopy for experimental aqueous geochemistry

William H. Casey, Zhipan Wang, Nicholas Brandt and Nicholas Curro
American Journal of Science June 2020, 320 (6) 533-545; DOI: https://doi.org/10.2475/06.2020.02
William H. Casey
* Department of Chemistry, University of California, Davis, 95616
** Department of Earth and Planetary Sciences, University of California, Davis, 95616
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  • For correspondence: whcasey@ucdavis.edu
Zhipan Wang
*** Department of Physics, University of California, Davis, 95616
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Nicholas Brandt
*** Department of Physics, University of California, Davis, 95616
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Nicholas Curro
*** Department of Physics, University of California, Davis, 95616
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Abstract

New quantum technologies are being adapted to detect extraordinarily small magnetic fields. The signals are derived from the stimulated emission of light from single-atom defects in diamonds. The intensity of light reports the spin state of the electrons in the color center. The physics is relevant to geochemists because it points to a means of conducting NMR experiments on solutions in diamond-anvil cells. Because the method is so sensitive, it can detect signals in subnanoliter volumes, making work at elevated temperatures and pressures possible, and also on solutions that are dangerous in larger volumes.

  • NMR spectroscopy
  • aqueous chemistry
  • diamond anvil cell
  • magnetism
  • NV center
  • geochemistry
  • geophysics
  • high pressure
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American Journal of Science: 320 (6)
American Journal of Science
Vol. 320, Issue 6
1 Jun 2020
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The promise of optical NMR spectroscopy for experimental aqueous geochemistry
William H. Casey, Zhipan Wang, Nicholas Brandt, Nicholas Curro
American Journal of Science Jun 2020, 320 (6) 533-545; DOI: 10.2475/06.2020.02

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The promise of optical NMR spectroscopy for experimental aqueous geochemistry
William H. Casey, Zhipan Wang, Nicholas Brandt, Nicholas Curro
American Journal of Science Jun 2020, 320 (6) 533-545; DOI: 10.2475/06.2020.02
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    • Abstract
    • INTRODUCTION
    • HOW CAN NUCLEAR SPINS BE DETECTED FROM LIGHT?
    • DETECTING NUCLEAR SPINS
    • APPLICATIONS IN EARTH SCIENCE
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Keywords

  • NMR spectroscopy
  • aqueous chemistry
  • diamond anvil cell
  • magnetism
  • NV center
  • geochemistry
  • geophysics
  • high pressure

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