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Volume 184, 2015
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Indirect quantum sensors: improving the sensitivity in characterizing very weakly coupled spins

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Abstract

We propose a scheme to increase the sensitivity and thus the detection volume of nanoscale single molecule magnetic resonance imaging. The proposal aims to surpass the T1 limited detection of the sensor by taking advantage of a long-lived ancillary nuclear spin to which the sensor is coupled. We show how this nuclear spin takes over the role of the sensor spin, keeping the characteristic time-scales of detection on the same order but with a longer life-time allowing it to detect a larger volume of the sample, which is not possible by the sensor alone.

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Publication details

The article was received on 13 Jul 2015, accepted on 14 Jul 2015 and first published on 21 Jul 2015


Article type: Paper
DOI: 10.1039/C5FD00116A
Citation: Faraday Discuss., 2015,184, 163-171
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    Indirect quantum sensors: improving the sensitivity in characterizing very weakly coupled spins

    J. N. Greiner, D. D. B. Rao, P. Neumann and J. Wrachtrup, Faraday Discuss., 2015, 184, 163
    DOI: 10.1039/C5FD00116A

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