Dislocations and plasticity of KTaO${}_3$ perovskite modeled with a new interatomic potential

Pierre Hirel, Franck Junior Kakdeu Yewou, Jiawen Zhang +3

Potassium tantalate KTaO3 is a cubic, paraelectric perovskite ceramic that exhibits surprising ductility at room temperature as most recently reported. Much like strontium titanate…