Local Laser-Enhanced Nickel Electrodeposition
| Authors | V.V. Tytarenko , V.N. Gorev, A.N. Turinov |
| Affiliations |
Dnipro University of Technology, 49005 Dnipro, Ukraine |
| Е-mail | tytarenko.valentina@gmail.com |
| Issue | Volume 18, Year 2026, Number 5 |
| Dates | Received 24 April 2026; revised manuscript received 25 October 2026; published online 28 October 2026 |
| Citation | V.V. Tytarenko, V.N. Gorev, A.N. Turinov, J. Nano- Electron. Phys. 18 No 5, 05003 (2026) |
| DOI | https://doi.org/10.21272/jnep.18(5).05003 |
| PACS Number(s) | 64.70.Kd, 68.35.Bd, 68.55. Nq, 68.60.Dv, 81.15.Pq, 81.40.Ef |
| Keywords | Electrodeposition (6) , Laser radiation, Cathode overpotential, Area of thermal influence, Local electrolytic coating. |
| Annotation |
The study presents the developed method of obtaining local nickel coatings without masks using a laser, the beam of which is focused on a cathode located in a galvanic bath. Laser acceleration of the nickel deposition process is due to the thermal effect. Probing the heat affected zone with a copper-constantan thermo-couple showed heating of the central region of the laser beam with a radius of 10 mm increases from 293 K to 371 K. The analysis of cathodic polarization curves showed that with in the laser-enhanced electrodeposition mode, an increase in the current density and a shift of the cathode potential towards positive values are observed in comparison with the deposition mode using direct current without laser irradiation. We observe an acceleration of the process of electrodeposition of nickel films by 166 times at a laser power density of 318.5 kW/m2 of wavelength of 10.6 m. The parameters of local nickel plating were calculated and the rate of electrodeposition process was estimated. The average nickel deposition rate in the area of laser irradiation is 9.6 m/h at j = 0.77 A/dm2 and E = –0.63 V. At direct current at the given value of cathode potential (E = –0.63 V) the nickel deposition rate is 0.06 m/h, whereas at laser stimulation of the electrodeposition process the coating reaches this thickness (0.06 m) in time 22 s. |
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