Electrocaloric Cooling - A New Application of Relaxor Ferroelectrics

• Authors: G. Suchaneck , G. Gerlach
• Languages of publication: EN

Abstracts

EN

Until now, relaxor ferroelectrics are considered as a class of disordered materials possessing peculiar structures and properties which are not yet generalized into a universal model explaining the significant amount of experimental data available. In this work, we demonstrate that one feature of relaxor ferroelectrics - the extraordinary dielectric response - is well-suited for application in electrocaloric refrigerators. We consider the electrocaloric effect with special attention to relaxor ferroelectrics, the dielectric response in the temperature region of interest, the efficiency and the figure of merit of relaxor ferroelectrics for electrocaloric application.

Keywords

EN

77.70.+a; 84.60.Bk; 77.80.Jk; 77.22.Ch

Discipline

• 84.60.Bk: Performance characteristics of energy conversion systems; figure of merit
• 77.70.+a: Pyroelectric and electrocaloric effects
• 77.80.Jk: Relaxor ferroelectrics
• 77.22.Ch: Permittivity (dielectric function)(for low-permittivity dielectric films, see 77.55.Bh; for high-permittivity gate dielectric films, 77.55.D-)

• Journal: Acta Physica Polonica A
• Year: 2018
• Volume: 133
• Issue: 4
• Pages: 1003-1005

Dates

published

2018-04

Contributors

author

G. Suchaneck

• TU Dresden, Solid State Electronics Laboratory, 01062 Dresden, Germany

author

G. Gerlach

• TU Dresden, Solid State Electronics Laboratory, 01062 Dresden, Germany

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Identifiers

DOI

10.12693/APhysPolA.131.1003