HRTEM image of idiomorphic PbSe nanocrystals (rock-salt structure).
Crystal size: 8 nm. {100} interplanar spacing: 0.3 nm.

Author: Dr. Nina Daneu (IJS). Jeol 2100-FX (IJS).
Material: PbSe nanocrystals prepared by mechanochemical treatment.
by Dr. Marcela Achimovicová (Slovak Academy of Sciences).

 (the image was competing in the NanoArt competition at the Hot Nano Topics, Portoroz, May 2008).