Electrical properties and phase transitions in ethylenediammonium dinitrate

Santhakumari, N.C.; Vallabhan, C. P. G.

doi:10.1016/0167-2738(91)90169-c

Solid State Ionics

1991

DOI: 10.1016/0167-2738(91)90169-c

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Electrical properties and phase transitions in ethylenediammonium dinitrate

N.C. Santhakumari

C. P. G. Vallabhan

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1992

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Electrical conductivity, dielectric properties and phase transition in ethylenediammonium sulphate single crystals

Santhakumari

Vallabhan

1992

Journal of Physics and Chemistry of Solids

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Abstract-DC. and ac. electrical conductivities, dielectric constant and dielectric loss factor in single crystals of ethylenediammonium sulphate, (H,NCH,CH,NH,)(SO,), have been measured axiswise as a function of temperature. Anomalous variations in all the above properties at 480 K indicate the occurrence of a phase transition in the above material at this temperature. The existence of such a phase transition is also confirmed by DSC measurements. Electrical conductivity results are analysed and the activation energies of conduction at different temperature regions have been evaluated from the logu vs 10' T-r plot. Possible mechanisms for the electrical conduction process are discussed, the available results being in favour of a proton transport model.

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Electrical conductivity, dielectric properties and phase transition in ethylenediammonium sulphate single crystals

Santhakumari

Vallabhan

1992

Journal of Physics and Chemistry of Solids

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Electrical properties and phase transitions in ethylenediammonium dinitrate

Cited by 1 publication

References 14 publications

Electrical conductivity, dielectric properties and phase transition in ethylenediammonium sulphate single crystals

Electrical conductivity, dielectric properties and phase transition in ethylenediammonium sulphate single crystals

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