Theory of ultrathin ferroelectrics: the case of CsGeBr${}_3$

Ravi Kashikar, Arlies Valdespino, Charlton Ogg +3

Ferroelectricity has recently been demonstrated in germanium-based inorganic halide perovskites. We use atomistic first-principles-based simulations to study ultra-thin CsGeBr${}_3$…