A robust scanning diamond sensor for nanoscale imaging with single nitrogen-vacancy centres

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A robust scanning diamond sensor for nanoscale imaging with single nitrogen-vacancy centres

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Title: A robust scanning diamond sensor for nanoscale imaging with single nitrogen-vacancy centres
Author: Maletinsky, P; Hong, S.; Grinolds, M; Hausmann, B; Lukin, Mikhail D.; Walsworth, Ronald Lee; Loncar, Marko; Yacoby, Amir

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Citation: Maletinsky, P., S. Hong, M. S. Grinolds, B. Hausmann, M. D. Lukin, R. L. Walsworth, M. Loncar, and A. Yacoby. 2012. “A Robust Scanning Diamond Sensor for Nanoscale Imaging with Single Nitrogen-Vacancy Centres.” Nature Nanotechnology 7 (5) (April 15): 320–324. doi:10.1038/nnano.2012.50.
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Abstract: Controllable atomic-scale quantum systems hold great potential as sensitive tools for nanoscale imaging and metrology . Possible applications range from nanoscale electric and magnetic field sensing to single photon microscopy, quantum information processing, and bioimaging. At the heart of such schemes is the ability to scan and accurately position a robust sensor within a few nanometers of a sample of interest, while preserving the sensor’s quantum coherence and readout fidelity. These combined requirements remain a challenge for all existing approaches that rely on direct grafting of individual solid state quantum systems or single molecules onto scanning-probe tips. Here, we demonstrate the fabrication and room temperature operation of a robust and isolated atomic-scale quantum sensor for scanning probe microscopy. Specifically, we employ a high-purity, single-crystalline diamond nanopillar probe containing a single Nitrogen-Vacancy (NV) color center. We illustrate the versatility and performance of our scanning NV sensor by conducting quantitative nanoscale magnetic field imaging and near-field single-photon fluorescence quenching microscopy. In both cases, we obtain imaging resolution in the range of 20 nm and sensitivity unprecedented in scanning quantum probe microscopy.
Published Version: doi:10.1038/NNANO.2012.50
Other Sources: http://arxiv.org/abs/1108.4437
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:27080192
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