期刊
NATURE NANOTECHNOLOGY
卷 5, 期 5, 页码 345-349出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/NNANO.2010.56
关键词
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资金
- Macquarie University Research Fellowship
- ARC Future Fellowship
- Australian Research Council [DP0772286, DP0771676]
- Australian Research Council [DP0771676] Funding Source: Australian Research Council
Nitrogen-vacancy colour centres in diamond can undergo strong, spin-sensitive optical transitions under ambient conditions, which makes them attractive for applications in quantum optics(1), nanoscale magnetometry(2,3) and biolabelling(4). Although nitrogen-vacancy centres have been observed in aggregated detonation nanodiamonds(5) and milled nanodiamonds(6), they have not been observed in very small isolated nanodiamonds(7). Here, we report the first direct observation of nitrogen-vacancy centres in discrete 5-nm nanodiamonds at room temperature, including evidence for intermittency in the luminescence (blinking) from the nanodiamonds. We also show that it is possible to control this blinking by modifying the surface of the nanodiamonds.
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