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Article

Single-Crystal Diamond Needle Fabrication Using Hot-Filament Chemical Vapor Deposition

1
Department of Physics, M.V. Lomonosov Moscow State University, 119991 Moscow, Russia
2
Department of Physics and Mathematics, University of Eastern Finland, 80101 Joensuu, Finland
3
Division of Solid State Physics, Lebedev Physical Institute of the Russian Academy of Sciences, 119991 Moscow, Russia
4
Federal Research Center “Krasnoyarsk Science Center SB RAS”, Russian Academy of Sciences, Institute of Biophysics, 660036 Krasnoyarsk, Russia
*
Author to whom correspondence should be addressed.
Academic Editor: Shane Aaron Catledge
Materials 2021, 14(9), 2320; https://doi.org/10.3390/ma14092320
Received: 2 April 2021 / Revised: 22 April 2021 / Accepted: 27 April 2021 / Published: 29 April 2021
Single-crystal diamonds in the form of micrometer-scale pyramids were produced using a combination of hot-filament (HF) chemical vapor deposition (CVD) and thermal oxidation processes. The diamond pyramids were compared here with similar ones that were manufactured using plasma-enhanced (PE) CVD. The similarities revealed in the morphology, Raman, and photoluminescent characteristics of the needles obtained using the hot-filament and plasma-enhanced CVD are discussed in connection with the diamond film growth mechanism. This work demonstrated that the HF CVD method has convincing potential for the fabrication of single-crystal diamond needles in the form of regularly shaped pyramids on a large surface area, even on non-conducting substrates. The experimental results demonstrated the ability for the mass production of the single-crystal needle-like diamonds, which is important for their practical application. View Full-Text
Keywords: thin films; diamond needles; chemical vapor deposition; hot-filament CVD; large-scale synthesis thin films; diamond needles; chemical vapor deposition; hot-filament CVD; large-scale synthesis
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MDPI and ACS Style

Ismagilov, R.; Malykhin, S.; Puzyr, A.; Loginov, A.; Kleshch, V.; Obraztsov, A. Single-Crystal Diamond Needle Fabrication Using Hot-Filament Chemical Vapor Deposition. Materials 2021, 14, 2320. https://doi.org/10.3390/ma14092320

AMA Style

Ismagilov R, Malykhin S, Puzyr A, Loginov A, Kleshch V, Obraztsov A. Single-Crystal Diamond Needle Fabrication Using Hot-Filament Chemical Vapor Deposition. Materials. 2021; 14(9):2320. https://doi.org/10.3390/ma14092320

Chicago/Turabian Style

Ismagilov, Rinat, Sergei Malykhin, Aleksey Puzyr, Artem Loginov, Victor Kleshch, and Alexander Obraztsov. 2021. "Single-Crystal Diamond Needle Fabrication Using Hot-Filament Chemical Vapor Deposition" Materials 14, no. 9: 2320. https://doi.org/10.3390/ma14092320

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