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Five-Nanometer Diamond with Luminescent Nitrogen-Vacancy Defect Centers

Bradley R Smith, David W Inglis, Bjornar Sandnes Orcid Logo, James R Rabeau, Andrei V Zvyagin, Daniel Gruber, Christopher J Noble, Robert Vogel, Eiji Ōsawa, Taras Plakhotnik

Small, Volume: 5, Issue: 14, Pages: 1649 - 1653

Swansea University Author: Bjornar Sandnes Orcid Logo

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DOI (Published version): 10.1002/smll.200801802

Published in: Small
ISSN: 1613-6810 1613-6829
Published: 2009
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Item Description: The paper demonstrated for the first time the existence of luminescent Nitrogen-Vacancy (NV) centres in nanodiamond particles as small as 5 nm. This result was surprising and important as there was growing concern in the science community that inherent physical barriers prevented formation of such colour centres. NV centres were generated by proton irradiation, and quantified using spectral and time-gated luminescence detection. A simple model explained the statistics of NV formation probability versus size. Sub-10 nm luminescent nanodiamonds are of considerable interest for biomedical applications and quantum technologies.
College: Faculty of Science and Engineering
Issue: 14
Start Page: 1649
End Page: 1653