References
- Albers , J. , Klöpperpieper , A. , Rother , J. H. and Haussühl , S. 1988 . Ferroelectricity in betaine phosphite . Ferroelectrics , 81 : 27
- Ebert , H. , Lanceros-Méndez , S. , Schaack , G. and Klöpperpieper , A. 1995 . Investigations on dielectric and structural properties of ferroelectric betaine phosphite (BPI) . J. Phys.: Condens. Matter , 7 : 9305
- Bauch , H. , Banys , J. , Böttcher , R. , Klimm , C. , Klöpperpieper , A. and Völkel , G. 1995 . Anomalies of the low frequency dielectric dispertion in betaine phosphite . Phys. Stat. Sol. , 187 : K81 (b)
- Andrade , L. C. R. , Santos , M. L. , Silvestre , J. , Costa , M. M. R. , Chaves , M. R. , Almeida , A. and Klöpperpieper , A. 1999 . Crystal structure of the ferroelectric phase of (BP)0.08(BPI)0.92. . Phys. Stat. Sol. , 215 : 975 (b)
- Santos , M. L. 1999 . Propriedades estruturais e dieléctricas dos compostos BP1−x BPI x , Porto : Porto University . Ph.D. Thesis