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Lead-free (Ba,Ca)(Zr,Ti)O3 Based Electrocaloric Devices: Challenges and Perspectives

Published online by Cambridge University Press:  17 July 2013

Gunnar Suchaneck
Affiliation:
Solid State Electronics Laboratory, TU Dresden, 01062 Dresden, Germany
Gerald Gerlach
Affiliation:
Solid State Electronics Laboratory, TU Dresden, 01062 Dresden, Germany
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Abstract

In this work, we analyze the requirement to (Ba,Ca)(Zr,Ti)O3 thin films for applications in electrocaloric devices. We demonstrate that large temperature changes are realized mostly independent of the used material by applying sufficient electric fields. Ferroelectrics exhibiting a diffuse phase transition are beneficial for electrocaloric applications, but they change the range of operational temperatures.

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Copyright
Copyright © Materials Research Society 2013 

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