1st Prize
Institute of Materials (East Asia)
Materialography Competition 1998
Surface morphology of an amorphous
carbon (a-C:H) film of thickness 0.1 microns prepared via magnetron
sputtering of graphite in Ar + H2
atmosphere, taken on 12th Feb. 1998 in SAS, NTU, Singapore, on Jeol JEM-2010 TEM at 200 kV. The "grain boundaries" were molded on from the KBr substrate.
A selected area aperture was used to create the "3-D ball" illusion.
Magnificaton: about 30,000X. (By Dr. Sam Zhang, Ms Xie Hong and Ms Guo Jun)