Giant isothermal entropy change In (111)-oriented PMN–PT thin film

An isothermal entropy change of 240 nm (111)-oriented PMN–PT 65/35 film near the ferroelectric Curie temperature, relative cooling power (RCP) and change of heat capacity have been investigated. The extracted data characterized giant isothermal entropy change of more than 16 J/kg K in electric field...

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Autor principal: Mahmoud A. Hamad
Formato: Artigo
Idioma:Inglês
Publicado em: World Scientific Publishing 2014-10-01
coleção:Journal of Advanced Dielectrics
Assuntos:
Electrocaloric effect
PMN–PT thin film
polarization
entropy change
heat capacity change
Acesso em linha:http://www.worldscientific.com/doi/pdf/10.1142/S2010135X1450026X
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