FORMATION OF “BLACK” GOLD PARTICLES AT NANOSECOND YAG:ND LASER FORTH HARMONIC (266 nm) ABLATION
Abstract
The research results of UV 266 nm gold ablation are presented. It is shown that the deposit structure on the surface around ablation pits sharply depends on a pit depth. As the pit depth is increased, gold micro- and nanoparticles acquire a more developed surface structure and the surface around the pits gets deep black color – “black” gold appears. Some features and possible mechanisms of forming “black” gold structures at ablation over the 266 nm powerful nanosecond laser radiation range are also considered.
About the Authors
S. A. BATISHCHE
B. I. Stepanov Institute of Physics of the National Academy of Sciences of Belarus
Belarus
Belarus
S. B. BUSHUK
B. I. Stepanov Institute of Physics of the National Academy of Sciences of Belarus
Belarus
Belarus
V. A. PILIPENKO
State Center “Belmicroanalysis” of JSC “Integral” – “Integral” Holding Managing Company
Belarus
Belarus
H. A. TATUR
B. I. Stepanov Institute of Physics of the National Academy of Sciences of Belarus
Belarus
Belarus
D. V. ZHYGULIN
State Center “Belmicroanalysis” of JSC “Integral” – “Integral” Holding Managing Company
Belarus
Belarus
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