References
- Zhang , W. , Vanderbilt , David and Rabe , K. M. 1994 . P.R.L. , 73 : 1861 – 1864 .
- Ghosez , Ph. , Gonze , X. , Lambin , Ph. and Michenaud , J.-P. 1994 . Phys. Rev. B , 51 : 6765 – 6768 .
- Cohen , R. E. and Krakauer , H. 1990 . Phys. Rev. B , 42 : 6416 – 6423 .
- Zalar , Bostjan , Laguta , Valentin V. and Blinc , Robert . 2003 . Phys. Rev. L , 90 : 037601 – 1 .
- Harada , J. , Axe , J. D. and Shirane , G. 1971 . Phys. Rev. B , 4 : 155
- Fleury , P. A. and Worlock , J. M. 1968 . Phys. Rev. , 174 : 613
- Comes , R. , Lambert , M. and Guinier , A. 1968 . Solid State Communication , 6 : 715
- Strukov , B. A. and Levanyuk , A. P. 1998 . Ferroelectric phenomena in crystals , 7 Springer .
- Dawber , M. “Fundamental Physica of Ferroelectrics 2001” Edited by: Kraauer , H. 1 – 10 . AIP Onference Proceedings 582
- Bagayoko , D. , Zhao , G. L. , Fan , J. D. and Wang , J. T. 1998 . J. Phys.: Condens. Matter , 10 : 5645 – 5655 .
- Strukov , B. A. and Levanyuk , A. P. 1998 . Ferroelectric phenomena in crystals , 22 – 23 . Springer .