|
The domain structure of the Rb2Cd2(SO4)3
and Tl2Cd2(SO4)3 langbeinite
crystals
Order
this article
2. The domain structure in the ferroelectric-ferroelastic
phases of the Rb2Cd2(SO4)3
crystals
Vlokh R., Skab I., Girnyk I., Czapla Z., Dacko S., Kosturek B.
The temperature behavior of the domain structure in the ferroelectric-ferroelastic
phases of the Rb2Cd2(SO4)3
langbeinite crystals were investigated by the optical microscopy method.
The new phase with the point group of symmetry 3 was found in the temperature
region 130K<T<113K. By the observation of the domain structure in
the temperature region 113K<T<101K the coexistence of the monoclinic
and trigonal phase was revealed. The broad maximum of the dielectric permitivity
measured at frequency 1MHz around T=Tc4=113K was found. This
maximum significate that phase transition at Tc4 is the diffuse
phase transition
Key words: Rb2Cd2(SO4)3
, langbeinite crystals, domain structure, dielectric permitivity, phase
transition
doi 10.3116/16091833/1/2/103/2000 |
|
1. Maeda M, 1980. Jorn.Phys.Soc.Japan 49: 1090-1094.
doi:10.1143/JPSJ.49.1090
http://dx.doi.org/10.1143/JPSJ.49.1090
2. Yamada N, 1979. Jorn.Phys.Soc.Japan 46: 561-565.
doi:10.1143/JPSJ.46.561
http://dx.doi.org/10.1143/JPSJ.46.561
3. Vlokh R, Skab I, Guzandrow A, Mogylyak I, Smagliy S and Uesu Y,
2000. Ferroelectrics.
4. Yamada N, Kawano S, 1977. Jorn. Phys. Soc. Japan 43:1016-1020.
doi:10.1143/JPSJ.43.1016
http://dx.doi.org/10.1143/JPSJ.43.1016
5. Dvorak V, 1974. Phys. Stat. Sol. (b) 66: K87.
6. Latush LT, Rabkin LM, Torgashov VI, Shuvalov LA, Brezina B, 1983.
Izv. AN SSSR, ser. fiz. 47: 476-484.
7. Sapriel J, 1975. Phys.Rev.B 12: 5128-5140.
doi:10.1103/PhysRevB.12.5128
http://dx.doi.org/10.1103/PhysRevB.12.5128 |