High-sensitivity diamond magnetometer with nanoscale resolution

Details High-sensitivity diamond magnetometer with nanoscale resolution High-sensitivity diamond magnetometer with nanoscale resolution

2008-05-09

arxiv.org/abs/0805.1367v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

29 pages, 4 figures

Scientific paper

10.1038/nphys1075

We present a novel approach to the detection of weak magnetic fields that takes advantage of recently developed techniques for the coherent control of solid-state electron spin quantum bits. Specifically, we investigate a magnetic sensor based on Nitrogen-Vacancy centers in room-temperature diamond. We discuss two important applications of this technique: a nanoscale magnetometer that could potentially detect precession of single nuclear spins and an optical magnetic field imager combining spatial resolution ranging from micrometers to millimeters with a sensitivity approaching few femtotesla/Hz$^{1/2}$.

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