Barium titanate is a white powder and transparent as larger crystals. This titanate is a ferroelectric ceramic material, with a photorefractive effect and piezoelectric properties. It is used in capacitors, electromechanical transducers and nonlinear optics.
Barium Titanate, Nanopowder, APS 200 nm, 99.9% is used in phase conjugated mirrors and lasers, piezoelectric devices.