P. Mathey et al., PHOTOREFRACTIVE DETECTION OF ANTIPARALLEL FERROELECTRIC DOMAINS IN BATIO3 AND BATIO3-CO CRYSTALS, Applied physics A: Materials science & processing, 66(5), 1998, pp. 511-514
An all-optical method involving one coherent beam of light and based o
n photorefractive wave mixing is used to reveal antiparallel ferroelec
tric domains in one pure, and two cobalt-doped, barium titanate crysta
ls (BaTiO3). Rod-shaped domains with square cross sections are reveale
d.