Journal
NEW JOURNAL OF PHYSICS
Volume 15, Issue -, Pages -Publisher
IOP Publishing Ltd
DOI: 10.1088/1367-2630/15/4/043027
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Funding
- 'FIRB-Futuro in Ricerca' project [D11J11000450001]
- Italian Ministry for Teaching, University and Research (MIUR)
- A Di N-Tech
- University of Torino [D15E13000130003]
- Australian Research Council Queen Elizabeth II Fellowship [DP0880466]
- Australian Research Council Future Fellowship [FT110100225]
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We report a systematic investigation on the spectral splitting of negatively charged, nitrogen-vacancy (NV-) photoluminescent emission in single-crystal diamond induced by strain engineering. The stress fields arise from MeV ion-induced conversion of diamond to amorphous and graphitic material in regions proximal to the centers of interest. In low-nitrogen sectors of a high-pressure-high-temperature diamond, clearly distinguishable spectral components in the NV- emission develop over a range of similar to 4.8 THz corresponding to distinct alignment of sub-ensembles which were mapped with micron spatial resolution. This method provides opportunities for the creation and selection of aligned NV- centers for ensemble quantum information protocols.
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