Electrocaloric and Barocaloric Effects in Some Ferroelectric Hydrosulfates and Triglycinesulfate

Описание

Тип публикации: статья из журнала (материалы конференций, опубликованные в журналах)

Год издания: 2012

Идентификатор DOI: 10.1080/00150193.2012.677717

Ключевые слова: Ferroelectrics, phase transitions, electrocaloric and barocaloric effects, Electrocaloric and barocaloric effects, Ferroelectrics, Phase transitions, Adiabatic temperature change, Barocaloric effects, Comparative analysis, Electric equations, Experimental data, High electric fields, Low pressures, T-P phase diagram, Electric fields, Ferroelectricity, Phase diagrams, Phase transitions, Rubidium, Ferroelectric materials

Аннотация: A comparative analysis of electrocaloric and barocaloric efficiency of order-disorder ferroelectrics Rb-x(NH4)(1-x)HSO4 and TGS is performed. A good agreement was found between intensive electrocaloric effects measured experimentally and calculated using electric equation of state. Barocaloric effects were evaluated analyzing the eПоказать полностьюxperimental data on heat capacity and T-p phase diagrams. In some crystals under study the same adiabatic temperature change can be produced by low pressure and rather high electric field.

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Издание

Журнал: FERROELECTRICS

Выпуск журнала: Vol. 430

Номера страниц: 78-83

ISSN журнала: 00150193

Место издания: ABINGDON

Издатель: TAYLOR & FRANCIS LTD

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