Monoclinic distortion, polarization rotation and piezoelectricity in the ferroelectric Na0.5Bi0.5TiO3

Choe, H.; Bieker, J.; Zhang, N.; Glazer, A.M.; Thomas, P.A.; Gorfman, S.

doi:10.1107/S2052252518006784

Figure 7
Electric field dependence of the strain parameters and polarization rotation angle. (a)–(c) Comparison between the observed change in the monoclinic strain parameters Δξ₁, Δψ₂ and Δa₂ (circles) and the calculated change according to equations (15)