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Five‐Nanometer Diamond with Luminescent Nitrogen‐Vacancy Defect Centers

descriptionPublicationkeyboard_double_arrow_right Article 17 Jul 2009 Australia, United Kingdom English Publisher:WileyJournal:Small, volume 5, pages 1,649-1,653 (issn: 1613-6810, eissn: 1613-6829, Copyright policy )
Authors: Smith, Bradley R.; Inglis, David W.; Sandnes, Bjornan; Rabeau, James R.; Zvyagin, Andrei V.; Gruber, Daniel; Noble, Christopher J.; +3 Authors

doi: 10.1002/smll.200801802

pmid: 19334016

Five‐Nanometer Diamond with Luminescent Nitrogen‐Vacancy Defect Centers

Abstract

A study was conducted to investigate the properties of weakly bound clusters of single-digit nanodiamonds (SND) using spectrally and temporally resolved luminescence detection, electron paramagnetic resonance (EPR) spectroscopy, and transmission electron microscopy (SEM). Nitrogen-vacancy (NV) centers were created in diamonds by high-energy proton irradiation followed by thermal annealing. Samples containing equal weights of 55-nm HTHP diamonds and SNDs were uniformly distributed on quartz substrates for luminescence measurements. It was observed that the SNDs exhibited significant luminescence in the red spectral region before irradiation. The emission was blue-shifted and the absence of the zero-phonon lines at 637 and 575 nm indicated that the luminescence did not originate from NV centers as compared with the NV spectrum.

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Keywords

raman, Luminescence, Nitrogen, 0299 Other Physical Sciences, nanocrystalline diamond, nitrogen vacancies, 530, C1, 970102 Expanding Knowledge in the Physical Sciences, Microscopy, Electron, Transmission, fluorescent nanodiamonds, carbon, diamonds, Electron Spin Resonance Spectroscopy, magnetic-resonance, temperature, selective oxidation, cellular biomarkers, microscopy, nanoparticles, photoluminescence, Diamond, EPR spectroscopy

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    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    		 145
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    		 Top 10%
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
145
Top 10%
Top 10%
Top 1%
Green