This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
. en Surface Morphology Changes on AI ZnO ZnO upon DH Exposures WYKO Optical Interferometer nrel gov pdf National Renewable Energy Laboratory Indium Indium tin oxide PDUSGov
Page 2023 Free-images.com. All images are Public Domain