LMR - Going into three dimensions

Preparation of a pyramid-like structure by pushing a 30 nm nanoparticle up between two others.
The nanoparticle is now elevated about 20 nm sitting on top of the others.

Reference: R. Resch, C. Baur, A. Bugacov, B. E. Koel, A. Madhukar, A. A. G. Requicha and P. Will, "Building and manipulating 3-D and linked 2-D structures of nanoparticles using scanning force microscopy ", Langmuir, Vol. 14, No. 23, pp. 6613-6616, November 1998. (PDF version)