Research Links:
Silicon Nanostructures Quantum Computing Silicon Valley Splitting
Silicon Nanomembranes Intermittent Contact AFM Nanowires and Nanorods

Tapping mode phase image shows crystalline domains of a PDA monolayer on mica. Intriguingly, the phase image reveals the underlying shear and friction properties of the surface.

"Material anisotropy revealed by phase contrast in intermittent contact atomic force microscopy," Matthew S. Marcus, Robert W. Carpick, Darryl Y. Sasaki, M .A. Eriksson, Phys. Rev. Lett 88, 226103 (2002).

See also "Phase imaging and the lever-sample tilt angle in dynamic atomic force microscopy," Matthew J. D’Amato, Matthew S. Marcus, M.A. Eriksson, Robert W. Carpick, Appl. Phys. Lett. 85, 4738 (2004).