Abstract:
:Nuclear magnetic resonance (NMR) spectroscopy is a powerful method for analyzing the chemical composition and molecular structure of materials. At the nanometer scale, NMR has the prospect of mapping the atomic-scale structure of individual molecules, provided a method that can sensitively detect single nuclei and measure inter-atomic distances. Here, we report on precise localization spectroscopy experiments of individual 13C nuclear spins near the central electronic sensor spin of a nitrogen-vacancy (NV) center in a diamond chip. By detecting the nuclear free precession signals in rapidly switchable external magnetic fields, we retrieve the three-dimensional spatial coordinates of the nuclear spins with sub-Angstrom resolution and for distances beyond 10 Å. We further show that the Fermi contact contribution can be constrained by measuring the nuclear g-factor enhancement. The presented method will be useful for mapping atomic positions in single molecules, an ambitious yet important goal of nanoscale nuclear magnetic resonance spectroscopy.
journal_name
Nat Communjournal_title
Nature communicationsauthors
Zopes J,Cujia KS,Sasaki K,Boss JM,Itoh KM,Degen CLdoi
10.1038/s41467-018-07121-0subject
Has Abstractpub_date
2018-11-08 00:00:00pages
4678issue
1issn
2041-1723pii
10.1038/s41467-018-07121-0journal_volume
9pub_type
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