A Raman scattering study of the phase transitions in SrTiO<sub>3</sub>and in the mixed system (Sr<sub>1-<i>x</i></sub>Ca<sub><i>x</i></sub>)TiO<sub>3</sub>at ambient pressure from<i>T</i>= 300 K down to 8 KR. Ouillon, Dhananjai Pandey, Rajeev Ranjan et al.|Journal of Physics Condensed Matter|2002Cited by 63