Peculiarities of Dielectric Relaxation in DMAAS Ferroelectric Crystals

Kapustianik, V.; Czapla, Z.; Czukwinski, R.

doi:10.12693/aphyspola.102.365

Cited by 3 publications

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References 6 publications

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“…At lower temperatures, one can observe the dispersion characteristic of the domain dynamics. First of all, this concerns the observed broad maximum of dielectric loss that is shifted to higher temperatures and finally disappears with increasing of the measuring field frequency .…”

Section: Resultsmentioning

confidence: 97%

Magnetic and dielectric properties of [N(C₂ H₅ )₄ ]₂ CoClBr₃ solid solution: A new potential multiferroic

Kapustianyk

Rudyk

Yonak

et al. 2015

Phys. Status Solidi B

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Thermodynamically induced structural transformation to a polar phase in the tetraethylammonium tetrahalogenocobaltate solid solution of [N(C 2 H 5 ) 4 ] 2 CoClBr 3 (TEACCB-3) is found to be accompanied with a large dielectric permittivity peak near 258 K. It was also found that the sample undergoes a ferrimagnetic ordering on further cooling below 8 K. Our results demonstrate that crystalline ferroics with an alkylammonium cation can develop strong magnetic interactions reaching 2.3 m B fu À1 at 14 T that can potentially coexist with electric polarization at the same temperature region.

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Section: Resultsmentioning

confidence: 97%

Magnetic and dielectric properties of [N(C₂ H₅ )₄ ]₂ CoClBr₃ solid solution: A new potential multiferroic

Kapustianyk

Rudyk

Yonak

et al. 2015

Phys. Status Solidi B

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EPR study of the ferroelectric phase transition in chromium-doped DMAAS

2004

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X-band electron paramagnetic resonance (EPR) investigations of single crystals of Cr3+-doped dimethylammonium aluminium sulphate hexahydrate are presented from 100 K to room temperature. The crystal undergoes a phase transition at 152 K fi'om the ferroelastic to the ferroelectrie phase. The spinHamiltonian parameters have been determined for both phases. The spin-Hamiltonian pararneters in the ferroelectrie phase are: g = 1.980+0.003, b g = (1140+15). 10 -4 cm -t, b 2 = (214+10). 10 -4 cm -t. Remarkable EPR line width ehanges con¡ the order-disorder character of the ferroelectric phase transition on a microscopio level and demonstrate that the dimethylammonium reorientation freezing-out is the p¡ reason for this transition.

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Influence of isomorphous substitution of metal ion on the low-frequency dielectric dispersion in NH₂(CH₃)₂Al₁₋_xCr_x(SO₄)₂⋅6H₂O ferroelectrics

et al. 2016

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Peculiarities of Dielectric Relaxation in DMAAS Ferroelectric Crystals

Cited by 3 publications

References 6 publications

Magnetic and dielectric properties of [N(C₂ H₅ )₄ ]₂ CoClBr₃ solid solution: A new potential multiferroic

Magnetic and dielectric properties of [N(C₂ H₅ )₄ ]₂ CoClBr₃ solid solution: A new potential multiferroic

EPR study of the ferroelectric phase transition in chromium-doped DMAAS

Influence of isomorphous substitution of metal ion on the low-frequency dielectric dispersion in NH₂(CH₃)₂Al₁₋_xCr_x(SO₄)₂⋅6H₂O ferroelectrics

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Peculiarities of Dielectric Relaxation in DMAAS Ferroelectric Crystals

Cited by 3 publications

References 6 publications

Magnetic and dielectric properties of [N(C2 H5 )4 ]2 CoClBr3 solid solution: A new potential multiferroic

Magnetic and dielectric properties of [N(C2 H5 )4 ]2 CoClBr3 solid solution: A new potential multiferroic

EPR study of the ferroelectric phase transition in chromium-doped DMAAS

Influence of isomorphous substitution of metal ion on the low-frequency dielectric dispersion in NH2(CH3)2Al1−xCrx(SO4)2⋅6H2O ferroelectrics

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Magnetic and dielectric properties of [N(C₂ H₅ )₄ ]₂ CoClBr₃ solid solution: A new potential multiferroic

Magnetic and dielectric properties of [N(C₂ H₅ )₄ ]₂ CoClBr₃ solid solution: A new potential multiferroic

Influence of isomorphous substitution of metal ion on the low-frequency dielectric dispersion in NH₂(CH₃)₂Al₁₋_xCr_x(SO₄)₂⋅6H₂O ferroelectrics