The magnetoelectric (ME)H effect at the ferroelectric and antiferroelectric phase transitions
โ Scribed by Ismailzade, I. H. ;Ismailov, R. M.
- Book ID
- 105374693
- Publisher
- John Wiley and Sons
- Year
- 1980
- Tongue
- English
- Weight
- 167 KB
- Volume
- 59
- Category
- Article
- ISSN
- 0031-8965
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๐ SIMILAR VOLUMES
## Abstract Spinโlattice relaxation times are calculated near the phase transition for a uniaxial ferroelectric containing defects. The defects are assumed to couple linearly to the order parameter. Defects and order parameter are of relaxator type. The corresponding Langevin equations are given an
The antiferroelectric to ferroelectric phase transition in was investigated by Raman scattering between NaNbO 3 295 and 10 K. The transition occurs at 185 K on cooling and the antiferroelectric and ferroelectric phases coexist at low temperature. The transition occurs at 210 K on heating and the rel
In strong magnetic fields up to 20 T the magnetoelectric effect has been measured in the tetrag~aal antlferromagnets GdzCuO4 and Sm2CuO4 m the temperature range of 1.9 K up to TN(Gd)=6 6 K and TN(Sm)=5 8 K respectively. The magnetoelectric effect exmts only m coincidence with the antiferromagnetical