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Fabrication of high-density nitrogen-vacancy (NV) center-enriched diamond particles through methyl trityl amine (C20H19N) seeding
Abstract
Diamond particles (DPs) show promise for advanced applications in bioimaging and quantum sensing due to the presence of defect centers. This work reports a unique growth process for diamond particles composed of nitrogen-vacancy centers (NV-DPs) using a methyl trityl amine (C20H19N) diamondoid seed, which acts as a nitrogen source for NV creation. Growth was performed via microwave plasma-assisted chemical vapor deposition in a CH4/H2 plasma. Tantalum plates were chosen as the substrate to facilitate the release of the NV-rich DPs after growth. Raman spectra of NV-DPs grown at 550 °C showed a sharp, intense peak at ~1334 cm−1, while those grown at 750 °C exhibited a broader, high intensity peak at 1336 cm−1. Photoluminescence revealed the formation of high-density NV centers, with the highest intensity for NV-DPs grown at 750 °C and 20 Torr. Optically detected magnetic resonance confirmed the presence of NV centers, especially for DPs grown at 750 °C. This seeding process enables precise nitrogen incorporation into diamond crystals to generate required spin properties by growing high-quality, well-faceted NV-DPs with customizable NV densities.
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Authors (8)
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Srinivasu Kunuku
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Saravanan Sengottuvel
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Mariusz Mrózek dr
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Aneta Lewkowicz
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Adam M. Wojciechowski dr
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Keywords
Details
- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
DIAMOND AND RELATED MATERIALS
no. 142,
ISSN: 0925-9635 - Language:
- English
- Publication year:
- 2024
- Bibliographic description:
- Kunuku S., Ficek M., Sengottuvel S., Ryl J., Mrózek M., Lewkowicz A., Wojciechowski A. M., Bogdanowicz R.: Fabrication of high-density nitrogen-vacancy (NV) center-enriched diamond particles through methyl trityl amine (C20H19N) seeding// DIAMOND AND RELATED MATERIALS -Vol. 142, (2024), s.110860-
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.diamond.2024.110860
- Sources of funding:
- Verified by:
- Gdańsk University of Technology
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