Diffuse first-order phase transition in NaNbO${}_3$:Gd (a report)

I. P. Raevski, S. I. Raevskaya, S. A. Prosandeev +3

Dielectric permittivity measurements show that (1-x)NaNbO3-(x)Gd1/3NbO3 crystals, at $x=0.09$, exhibit a first order phase transition near 150 C which is diffuse over a wide temper…