Journal
SCIENCE
Volume 339, Issue 6119, Pages 561-563Publisher
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.1231675
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Funding
- European Union (SQUTEC)
- European Union (DIAMANT)
- Max Planck Society
- Deutsche Forschungsgemeinschaft [SFB/TR21, 1493, 1482, SPP1601]
- Defense Advanced Research Projects Agency (QUASAR program)
- Volkswagen Foundation
- Baden-Wurttemberg foundation (Methoden fur die Lebenswissenschaften)
- 973 Program [2013CB921800]
- NNSFC [11227901, 91021005, 10834005]
- Chinese Academy of Sciences
- IMPRS-AM
- Humboldt Foundation
- NSF [NSF-1111410]
- Direct For Biological Sciences
- Div Of Molecular and Cellular Bioscience [0741914] Funding Source: National Science Foundation
- Division Of Chemistry
- Direct For Mathematical & Physical Scien [1111410] Funding Source: National Science Foundation
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Application of nuclear magnetic resonance (NMR) spectroscopy to nanoscale samples has remained an elusive goal, achieved only with great experimental effort at subkelvin temperatures. We demonstrated detection of NMR signals from a (5-nanometer)(3) voxel of various fluid and solid organic samples under ambient conditions. We used an atomic-size magnetic field sensor, a single nitrogen-vacancy defect center, embedded similar to 7 nanometers under the surface of a bulk diamond to record NMR spectra of various samples placed on the diamond surface. Its detection volume consisted of only 10(4) nuclear spins with a net magnetization of only 10(2) statistically polarized spins.
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