Influence of isomorphous substitution of metal ion on the low-frequency dielectric dispersion in NH 2 (CH 3 ) 2 Al 1− x Cr x (SO 4 ) 2 ⋅6H 2 O ferroelectrics.
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| Title: | Influence of isomorphous substitution of metal ion on the low-frequency dielectric dispersion in NH 2 (CH 3 ) 2 Al 1− x Cr x (SO 4 ) 2 ⋅6H 2 O ferroelectrics. |
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| Authors: | Kapustianyk, V.1,2 (AUTHOR) kapustianyk@yahoo.co.uk, Eliyashevskyy, Yu.2 (AUTHOR), Czapla, Z.3,4 (AUTHOR), Dacko, S.3 (AUTHOR), Rudyk, V.1 (AUTHOR), Sereda, S.2 (AUTHOR), Ostapenko, N.2 (AUTHOR) |
| Source: | Phase Transitions. Feb2017, Vol. 90 Issue 2, p175-188. 14p. |
| Subjects: | Isomorphous structures, Substitution reactions, Metal ions, Dielectric materials, Ferroelectric materials |
| Abstract: | This paper is devoted to the study of the influence of metal ion isomorphous substitution on the ferroelastic-ferroelectric phase transition and dispersion caused by the motion of domain walls in dimethylammonium metal sulfate hexahydrate DMAAl1−xCrxS ferroelectric crystals (x= 0, 0.065, 0.2). It is shown that such a substitution significantly changes the phase transition temperature and parameters of the dielectric dispersion. These changes are explained in terms of interaction between the metal-hydrate complexes and DMA groups that carry the dipole moment and due to this they are responsible for the phase transitions and motion of the domain walls. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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| Abstract: | This paper is devoted to the study of the influence of metal ion isomorphous substitution on the ferroelastic-ferroelectric phase transition and dispersion caused by the motion of domain walls in dimethylammonium metal sulfate hexahydrate DMAAl1−xCrxS ferroelectric crystals (x= 0, 0.065, 0.2). It is shown that such a substitution significantly changes the phase transition temperature and parameters of the dielectric dispersion. These changes are explained in terms of interaction between the metal-hydrate complexes and DMA groups that carry the dipole moment and due to this they are responsible for the phase transitions and motion of the domain walls. [ABSTRACT FROM AUTHOR] |
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| ISSN: | 01411594 |
| DOI: | 10.1080/01411594.2016.1170126 |
