Nanostructured Coatings Based on Amorphous Carbon and Gold Nanoparticles Obtained by the Pulsed Vacuum-arc Method
| Authors | A.Ya. Kolpakov1 , M.G. Kovaleva1 , V.M. Beresnev2 , S.S. Manokhin1,3, A.I. Poplavsky1,4, A.N. Khmara1, M.V. Mishunin1, M.E. Galkina1 , J.V. Gerus1 , M.N. Yapryntsev1 , V.V. Sirota4 , О.V. Gluchov5 |
| Affiliations |
1Belgorod National Research University, 85, Pobedy St., 308015 Belgorod, Russia 2V.N. Karazin Kharkiv National University, 4, Svobody Sq., 61000 Kharkiv, Ukraine 3Institute of Problems of Chemical Physics, Russian Academy of Sciences, 1, Akad. Semenova Prosp., 142432 Chernogolovka, Moscow Region, Russia 4Belgorod State Technological University named after V.G. Shoukhov, 46, Kostyukov St., 308012 Belgorod, Russia 5National University of Radio Electronics, 14, Science Boulevard, 61166 Kharkiv, Ukraine |
| Е-mail | Кovaleva@bsu.edu.ru |
| Issue | Volume 11, Year 2019, Number 4 |
| Dates | Received 14 June 2019; revised manuscript received 05 August 2019; published online 22 August 2019 |
| Citation | A.Ya. Kolpakov, M.G. Kovaleva, V.M. Beresnev, et al., J. Nano- Electron. Phys. 11 No 4, 04019 (2019) |
| DOI | https://doi.org/10.21272/jnep.11(4).04019 |
| PACS Number(s) | 68.55.aj, 68.37.Ps |
| Keywords | Amorphous carbon (2) , Gold nanoparticles (2) , Pulsed vacuum-arc method, Microstructure (21) , Electrical conductivity (10) , Optical properties (22) . |
| Annotation |
Nanostructured coatings based on diamond-like carbon and gold-doped carbon with a thickness of 100-300 nm were obtained by a pulsed vacuum-arc method on silicon substrates. The structure of the coatings was studied by high-resolution transmission electron microscopy, the elemental composition was studied by X-ray microanalysis. In addition, hardness, adhesive and tribological characteristics, the magnitude of internal stresses, as well as electrical conductivity and optical characteristics were also investigated. It was found that gold nanoparticles in the carbon matrix have a crystal structure and their size is about 5 nm. A change in the gold content from 1 to 25 % leads to a deterioration in the tribological properties of the coating, while the resistivity decreases from 920 to 0.06 mΩ(m. The technique proposed in this study for the doping of a diamond-like carbon coating with gold allows varying the resistivity and transmittance over a wide range while maintaining high wear resistance and low friction coefficient. |
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List of References |
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