Cube-shape diffuse scattering and the ground state of ${\mathrm{BaMg}}_{1/3}{\mathrm{Ta}}_{2/3}{\mathrm{O}}_3$

A. Cervellino, S. N. Gvasaliya, B. Roessli +6

A quite unusual diffuse scattering phenomenology was observed in the single-crystal X-ray diffraction pattern of cubic perovskite BMT ($\mathrm{BaMg}_{1/3}\mathrm{Ta}_{2/3}\mathrm{…