Growth Kinetics of Ag Clots on AgBr Microcrystals Under the Action of Femtosecond Pulsed Laser Radiation
| Authors | Oleksandr B. Piven1, Oleg B. Piven2 |
| Affiliations |
1Cherkasy State Technological University, 18006 Cherkasy, Ukraine 2National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute”, 03056 Kyiv, Ukraine |
| Е-mail | abpiven@ukr.net |
| Issue | Volume 18, Year 2026, Number 2 |
| Dates | Received 01 August 2025; revised manuscript received 18 April 2026; published online 29 April 2026 |
| Citation | Oleksandr B. Piven, Oleg B. Piven, [footnoteRef:], J. Nano- Electron. Phys. 18 No 2, 02010 (2026) |
| DOI | https://doi.org/10.21272/jnep.18(2).02001 |
| PACS Number(s) | 61.46. + w, 61.50.f, 61.80.Ba, 06.60.Jn |
| Keywords | Femtosecond laser irradiation, AgBr microcrystal, Influence of laser radiation, Growth kinetics, Clot of silver, Low-sensitive photolayer, Crystallization (4) . |
| Annotation |
Computer modeling revealed the growth kinetics of Ag clots on the surface of AgBr microcrystals of photoemulsion under the action of femtosecond radiation of pulsed lasers of the Flint series (wavelength λ = 1035 nm, pulse repetition rate f = 76 MHz) and FemtoLux 3 series (λ = 1030 nm, power P = 3 W, pulse duration τ = 300 fs). It has been established that the growth time of Ag clots up to a volume V = 5.23 m3, at which its spontaneous crystallization at Т = 300 К is possible is 1) ~ 10–1 s for the FemtoLux 3 series lasers (f = 1 MHz, 2 MHz, 3 MHz); 2) ~ 10–2 s for Flint 1.0 (Р = 1 W, τ = 80 fs), Flint 2.0 (Р = 2 W, τ = 100 fs), Flint 4.0 (Р = 4 W, τ = 100 fs), Flint 6.0 (Р = 6 W, τ = 100 fs), Flint 10 (P = 10 W, τ = 120 fs) lasers and for of the FemtoLux3 (f = 4 MHz, 5 MHz) lasers. This agrees with the fact that no developable Ag particles form at exposure times < s on the surface of AgBr microcrystals. |
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