Тип публикации: статья из журнала
Год издания: 2016
Идентификатор DOI: 10.1002/pssb.201600339
Ключевые слова: electrocaloric effect, ferroelectrics, nonequilibrium processes, phase transitions
Аннотация: We present the results of both direct measurements and modeling of the intensive electrocaloric effect T-AD in ferroelectric triglycine sulfate under nonequilibrium thermal conditions and periodically varying electric field. In the narrow region around the phase transition temperature T-C, a visible difference was observed between Показать полностьюthe electrocaloric responses at applying T-ON and removal T-OFF of the constant electric field: |T-ON| |T-OFF| at T<t-c and="" t="">T-C, respectively. The variation of the frequency and profile of the periodic electric field at T<t-c allowed="" one="" to="" obtain="" the="" gradual="" decrease="" in="" average="" temperature="" of="" top="" sample="" compared="" bottom="" kept="" at="" constant="" temperature.="" low="" frequency="" electric="" field="" qualitative="" agreement="" was="" found="" between="" time="" dependences="" measured="" experimentally="" and="" calculated="" t="" values.="" experimental="" modeling="" studies="" electrocaloric="" effect="" t-ad="" triglycine="" sulfate="" showed="" that="" applying="" a="" periodic="" bulk="" decreases="" value="" waiving="" t-top="" bottom.="" both="" duty="" cycle="" impulses="" strongly="" affect="" t-top.="" wiley-vch="" verlag="" gmbh="" co.="" kgaa="" weinheim=""></t-c></t-c>
Журнал: PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS
Выпуск журнала: Vol. 253, Is. 10
Номера страниц: 2073-2078
ISSN журнала: 03701972
Место издания: WEINHEIM
Издатель: WILEY-V C H VERLAG GMBH