Picología

Channeling of a particle in a crystal. From “Channeling in Crystals”, by W. Brandt. Copyright 0 (March, 1968) by Scientific American, Inc., all rights reserved.

Some possible eigen lattice vibration modes in a perovskite crystal. (a) Initial symmetric cubic, (b) symmetrically elongated, (c) coherently shifted centre cations, and (d) antipolarized shift of the centre cations.

Vibration mode of a clamped square plate

The user interface for the GA program showing the beauty rating scale and the controls for moving or freezing features.

Schematic diagram of the chemisorption and physisorption potential above a surface.