Ferroelectricity of Dion-Jacobson layered perovskites CsNdNb${}_2$O${}_7$ and RbNdNb${}_2$O${}_7$

Sota Asaki, Hirofumi Akamatsu, George Hasegawa +5

Crystallography and dielectric properties in Dion-Jacobson layered perovskites, CsNdNb${}_2$O${}_7$ and RbNdNb${}_2$O${}_7$, have been examined in dense polycrystalline samples, and polari…