Chemical vapour deposition diamond single crystals with nitrogen-vacancy centres: a review of material synthesis and technology for quantum sensing applications
| Autor: | A. Tallaire, Jocelyn Achard, Vincent Jacques |
|---|---|
| Přispěvatelé: | Laboratoire Charles Coulomb (L2C), Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS) |
| Jazyk: | angličtina |
| Rok vydání: | 2020 |
| Předmět: |
Materials science
Fabrication Acoustics and Ultrasonics Nanotechnology 02 engineering and technology Chemical vapor deposition engineering.material NV centres 01 natural sciences 0103 physical sciences Quantum system single crystal diamond 010306 general physics Spins Doping Quantum sensor Diamond quantum technology 021001 nanoscience & nanotechnology Condensed Matter Physics Surfaces Coatings and Films Electronic Optical and Magnetic Materials colour centres engineering [PHYS.COND.CM-MS]Physics [physics]/Condensed Matter [cond-mat]/Materials Science [cond-mat.mtrl-sci] diamond CVD growth 0210 nano-technology Coherence (physics) |
| Zdroj: | Journal of Physics D: Applied Physics Journal of Physics D: Applied Physics, IOP Publishing, 2020, 53 (31), pp.313001. ⟨10.1088/1361-6463/ab81d1⟩ |
| ISSN: | 0022-3727 1361-6463 1367-2630 2058-9565 0034-4885 1882-0786 0953-8984 1468-6996 0021-4922 |
| DOI: | 10.1088/1361-6463/ab81d1⟩ |
| Popis: | International audience; Diamond hosts a wide variety of colour centres that have demonstrated outstanding optical and spin properties. Among them, the nitrogen-vacancy (NV) centre is by far the most investigated owing to its superior characteristics, which promise the development of highly sophisticated quantum devices, in particular for sensing applications. Nevertheless, harnessing the potential of these centres mainly relies on the availability of high quality and purity diamond single crystals that need to be specially designed and engineered for this purpose. Plasma assisted chemical vapour deposition (CVD) has become a key enabling technology in this field of research. Nitrogen can indeed be directly doped in situ into a high crystalline quality diamond matrix in a controlled way, allowing the production of single isolated centres or ensembles that can potentially be integrated into a device. In this paper we will provide an overview of the requirements for synthesizing 'quantum-grade' diamond films using CVD. These include the reduction of impurities and surrounding spins that limit coherence times, the control of NV density in a wide range of concentrations as well as their spatial localization within the diamond. Enhancing the charge state and preferential orientation of the colour centres is also discussed. These improvements in material fabrication have contributed to positioning diamond as one of the most promising solid-state quantum systems and the first industrial applications in sensing are just starting to emerge. |
| Databáze: | OpenAIRE |
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