Polarization of thin films of barium-strontium titanate under external electric field

V. B. Shirokov, S. V. Biryukov, V. M. Mukhortov +1

The Landau theory of phase transitions of Ba0.8Sr0.2TiO3 thin film under external electric field applied in the planar geometry is developed. The interfacial van-der-Waals field Ez…