Bi2W2O9: a potentially antiferroelectric Aurivillius phase

Hania Djani, Emma. E. McCabe, W. Zhang +5

Ferroelectric tungsten-based Aurivillius oxides are naturally stable superlattice structures, in which A-site deficient perovskite blocks [WnO3n+1]-2 (n = 1, 2, 3, ...) interleave…