Nanoscale nuclear magnetic resonance with a 1.9-nm-deep nitrogen-vacancy sensor

C. L. Degen; J. Meijer; M. Loretz; S. Pezzagna

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Nanoscale nuclear magnetic resonance with a 1.9-nm-deep nitrogen-vacancy sensor

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arxiv 1312.2394 v2 pith:Q4X6MXCN submitted 2013-12-09 cond-mat.mes-hall

Nanoscale nuclear magnetic resonance with a 1.9-nm-deep nitrogen-vacancy sensor

M. Loretz , S. Pezzagna , J. Meijer , C. L. Degen This is my paper

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keywords centersdiamondnanoscalenitrogen-vacancypolarizedsurfaceclosecorresponding

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We present nanoscale NMR measurements performed with nitrogen-vacancy (NV) centers located down to about 2 nm from the diamond surface. NV centers were created by shallow ion implantation followed by a slow, nanometer-by-nanometer removal of diamond material using oxidative etching in air. The close proximity of NV centers to the surface yielded large 1H NMR signals of up to 3.4 uT-rms, corresponding to ~330 statistically polarized or ~10 fully polarized proton spins in a ~(1.8 nm)^3 detection volume.

Nanoscale nuclear magnetic resonance with a 1.9-nm-deep nitrogen-vacancy sensor

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