Please Note that the pattern is micron-sized grooves (diameter 100 microns with depth 200 microns).
Few literature mentions the film will form the nanoparticles of Au when on polished surface. But I want to know what will happen on patterned substrates.
Vadim Verlotski
You will not get any gold nanoparticles, and instead of a coating, rather large gold droplets are formed in random places. Although 1000°C is slightly below the melting point of gold, this temperature is high enough to cause sintering and coagulation of thin films into rounded droplets. Small drops of gold, free from oxide films, tend to merge into larger ones, since large drops are thermodynamically more favorable. For this simple reason, coagulation of gold droplets will definitely occur.
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