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Proceedings Paper

Scanning localized magnetic fields in microfluidic system using single spin in diamond nanocrystal.
Author(s): Kangmook Lim; Benjamin Shapiro; Jacob Taylor; Edo Waks
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Paper Abstract

We demonstrate localized magnetometry using a single nitrogen vacancy (NV) center in the microfluidic devices. Our approach enables three dimensional manipulation of a magnetic object in solution with nanoscale spatial accuracy, and also enables us to orient its dipole moment. A diamond nanocrystal is integrated into the microfluidic device and serves as a local magnetic field probe. We vary the position of a magnetic object in liquid and map out its magnetic field distribution by perform continuous electron spin resonance (ESR) measurement on the NV center. These results open up the possibility for using NV centers as nanosized magnetometers with high sensitivity in microfluidic device for applications in chemical sensing, biological sensing and microscopy.

Paper Details

Date Published: 11 March 2015
PDF: 5 pages
Proc. SPIE 9337, Nanoscale Imaging, Sensing, and Actuation for Biomedical Applications XII, 933703 (11 March 2015); doi: 10.1117/12.2076635
Show Author Affiliations
Kangmook Lim, Univ. of Maryland (United States)
Benjamin Shapiro, Univ. of Maryland (United States)
Jacob Taylor, National Insitute of Standards and Technology (United States)
Edo Waks, National Institute of Standards and Technology (United States)


Published in SPIE Proceedings Vol. 9337:
Nanoscale Imaging, Sensing, and Actuation for Biomedical Applications XII
Alexander N. Cartwright; Dan V. Nicolau, Editor(s)

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