This is a micrograph
(optical Nomarski interference contrast)
of spots of gold deposited onto an indium phosphide
substrate, using a KrF excimer laser, and
trimethylgold-trimethylphosphine as the gold precursor.
The gold spots are 100 microns across.
This was a very pure gold deposit indeed.
For more details see my PhD thesis!
(not currently available in electronic form)