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Boundary between the thermal and statistical polarization regimes in a nuclear spin ensemble

Herzog, B. E. and Cadeddu, D. and Xue, F. and Peddibhotla, P. and Poggio, M.. (2014) Boundary between the thermal and statistical polarization regimes in a nuclear spin ensemble. Applied Physics Letters, 105 (4). 043112.

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Official URL: http://edoc.unibas.ch/dok/A6319323

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Abstract

As the number of spins in an ensemble is reduced, the statistical fluctuations in its polarization eventually exceed the mean thermal polarization. This transition has now been surpassed in a number of recent nuclear magnetic resonance experiments, which achieve nanometer-scale detection volumes. Here, we measure nanometer-scale ensembles of nuclear spins in a KPF6 sample using magnetic resonance force microscopy. In particular, we investigate the transition between regimes dominated by thermal and statistical nuclear polarization. The ratio between the two types of polarization provides a measure of the number of spins in the detected ensemble.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Nanotechnologie Argovia (Poggio)
UniBasel Contributors:Poggio, Martino and Herzog, Benedikt and Cadeddu, Davide and Xue, Fei and Peddibhotla, Phani Kumar
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:AIP Publishing
ISSN:0003-6951
e-ISSN:1077-3118
Note:Publication type according to Uni Basel Research Database: Journal article
Language:English
Identification Number:
Last Modified:03 Aug 2018 14:13
Deposited On:05 Dec 2014 09:45

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