Low-Temperature Dielectric Anisotropy Driven by an Antiferroelectric Mode in SrTiO 3

Blai Casals, Andrea Schiaffino, Arianna Casiraghi, Sampo J. Hämäläinen, Diego López González, Sebastiaan van Dijken, Massimiliano Stengel, and Gervasi Herranz

Phys. Rev. Lett. 120, 217601 – Published 25 May 2018