Magnetic resonance spectroscopy of an atomically thin material using a single-spin qubit

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Science  03 Feb 2017:
Vol. 355, Issue 6324, pp. 503-507
DOI: 10.1126/science.aal2538

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Getting a sense of atomically thin materials

Two-dimensional materials such as graphene and transition metal dichalcogenides provide a powerful platform for optoelectronic applications. As the materials get thinner, however, characterizing the electronic properties can present an experimental challenge. Lovchinsky et al. demonstrate that atomic-like impurities in diamond can be used to probe the properties of 2D materials by nanometer-scale nuclear quadrupole resonance spectroscopy. Coherent manipulation of shallow nitrogen-vacancy color centers enabled probing of nanoscale ensembles down to several tens of nuclear spins in atomically thin hexagonal boron nitride.

Science, this issue p. 503