Direct measurements of the giant electrocaloric effect in soft and solid ferroelectric materials

B. Rožič; B. Malič; H. Uršič; J. Holc; M. Kosec; B. Neese; Q. M. Zhang; Z. Kutnjak

doi:10.1080/00150193.2010.482884

Direct measurements of the giant electrocaloric effect in soft and solid ferroelectric materials

B. Rožič, B. Malič, H. Uršič, J. Holc, M. Kosec, B. Neese, Q. M. Zhang, Z. Kutnjak

Electrical Engineering

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Abstract

The giant electrocaloric (EC) effect is of great importance for application in cooling or heating devices of new generation, which would be friendlier for environment. Recent predictions of the existence of the giant EC effect in polymeric and inorganic ferroelectric relaxors are based solely on the indirect measurements of the electric polarization and not on a direct measurement of the EC effect itself. Here a method and analysis of direct measurements of the giant EC effect in various soft and solid ferroelectric materials in the form of thick and thin films is presented. The field dependence of the EC effect is shown for PbMg_1/3Nb_2/3O₃ (PMN) ceramics and P(VDF-TrFE) (68/32 mol%) copolymers.

Original language	English (US)
Pages (from-to)	26-31
Number of pages	6
Journal	Ferroelectrics
Volume	405
Issue number	1
DOIs	https://doi.org/10.1080/00150193.2010.482884
State	Published - 2010

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1080/00150193.2010.482884

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title = "Direct measurements of the giant electrocaloric effect in soft and solid ferroelectric materials",

abstract = "The giant electrocaloric (EC) effect is of great importance for application in cooling or heating devices of new generation, which would be friendlier for environment. Recent predictions of the existence of the giant EC effect in polymeric and inorganic ferroelectric relaxors are based solely on the indirect measurements of the electric polarization and not on a direct measurement of the EC effect itself. Here a method and analysis of direct measurements of the giant EC effect in various soft and solid ferroelectric materials in the form of thick and thin films is presented. The field dependence of the EC effect is shown for PbMg1/3Nb2/3O3 (PMN) ceramics and P(VDF-TrFE) (68/32 mol%) copolymers.",

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T1 - Direct measurements of the giant electrocaloric effect in soft and solid ferroelectric materials

AU - Rožič, B.

AU - Malič, B.

AU - Uršič, H.

AU - Holc, J.

AU - Kosec, M.

AU - Neese, B.

AU - Zhang, Q. M.

AU - Kutnjak, Z.

N1 - Funding Information: This work was supported by the Slovenian Research Agency under program P1-0125 and the projects J1-9368 and J1-2015.

PY - 2010

Y1 - 2010

N2 - The giant electrocaloric (EC) effect is of great importance for application in cooling or heating devices of new generation, which would be friendlier for environment. Recent predictions of the existence of the giant EC effect in polymeric and inorganic ferroelectric relaxors are based solely on the indirect measurements of the electric polarization and not on a direct measurement of the EC effect itself. Here a method and analysis of direct measurements of the giant EC effect in various soft and solid ferroelectric materials in the form of thick and thin films is presented. The field dependence of the EC effect is shown for PbMg1/3Nb2/3O3 (PMN) ceramics and P(VDF-TrFE) (68/32 mol%) copolymers.

AB - The giant electrocaloric (EC) effect is of great importance for application in cooling or heating devices of new generation, which would be friendlier for environment. Recent predictions of the existence of the giant EC effect in polymeric and inorganic ferroelectric relaxors are based solely on the indirect measurements of the electric polarization and not on a direct measurement of the EC effect itself. Here a method and analysis of direct measurements of the giant EC effect in various soft and solid ferroelectric materials in the form of thick and thin films is presented. The field dependence of the EC effect is shown for PbMg1/3Nb2/3O3 (PMN) ceramics and P(VDF-TrFE) (68/32 mol%) copolymers.

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JO - Ferroelectrics

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Direct measurements of the giant electrocaloric effect in soft and solid ferroelectric materials

Abstract

All Science Journal Classification (ASJC) codes

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