References
- Stokowski , S. E. and Schawlow , A. L. 1969 . Spectroscopic studies of SrTiO3 using impurity-ion probes Dielectric-related optical line shifts in SrTiO3:Cr3+ . Phys. Rev. Ibidem , 178 : 464 – 470 .
- Vikhnin , V. , Trepakov , V. , Smutny , F. and Jastrabik , L. 1996 . Local phase transitions and related relaxation processes in incipient ferroelectrics with a perovskite-like structure . Ferroelectrics , 176 : 7 – 14 .
- Bednorz , J. G. and Müller , K. A. 1984 . Sr1−x Ca x TiO3: An XY quantum ferroelectrics with transition to randomness . Phys. Rev. Lett. , 52 : 2289 – 2292 .
- Kleemann , W. , Albertini , A. , Kuss , M. and Linder , R. 1997 . Optical detection of symmetry breaking on a nanoscale in SrTiO3:Ca. . Ferroelectrics , 203 : 57 – 74 .