Sizable electrocaloric effect in a wide temperature range tuned by tensile misfit strain in BaTiO3 thin films

X. Zhang; J. B. Wang; B. Li; X. L. Zhong; X. J. Lou; Y. C. Zhou

doi:10.1063/1.3596814

Sizable electrocaloric effect in a wide temperature range tuned by tensile misfit strain in BaTiO₃ thin films

X. Zhang
, J. B. Wang
, B. Li
, X. L. Zhong
, X. J. Lou
, Y. C. Zhou

XiangTan University
National University of Singapore

科研成果: 期刊稿件 › 文章 › 同行评审

39 引用（Scopus）

摘要

The effects of misfit strain on the electrocaloric (EC) properties of BaTiO₃ thin films arestudied by using the Landau-Devonshire thermodynamic theory. The misfit-strain temperature phase diagrams for different electric fields are constructed. It was found that the EC effect of a BaTiO₃ thin film is strongly dependent on misfit strain. More interestingly, we found that BaTiO₃ thin films with tensile misfit strain exhibit a sizable EC effect in a wider temperature range in comparison with those with compressive misfit strain.

源语言	英语
文章编号	126102
期刊	Journal of Applied Physics
卷	109
期	12
DOI	https://doi.org/10.1063/1.3596814
出版状态	已出版 - 15 6月 2011
已对外发布	是

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abstract = "The effects of misfit strain on the electrocaloric (EC) properties of BaTiO3 thin films arestudied by using the Landau-Devonshire thermodynamic theory. The misfit-strain temperature phase diagrams for different electric fields are constructed. It was found that the EC effect of a BaTiO3 thin film is strongly dependent on misfit strain. More interestingly, we found that BaTiO3 thin films with tensile misfit strain exhibit a sizable EC effect in a wider temperature range in comparison with those with compressive misfit strain.",

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AU - Zhang, X.

AU - Wang, J. B.

AU - Li, B.

AU - Zhong, X. L.

AU - Lou, X. J.

AU - Zhou, Y. C.

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Y1 - 2011/6/15

N2 - The effects of misfit strain on the electrocaloric (EC) properties of BaTiO3 thin films arestudied by using the Landau-Devonshire thermodynamic theory. The misfit-strain temperature phase diagrams for different electric fields are constructed. It was found that the EC effect of a BaTiO3 thin film is strongly dependent on misfit strain. More interestingly, we found that BaTiO3 thin films with tensile misfit strain exhibit a sizable EC effect in a wider temperature range in comparison with those with compressive misfit strain.

AB - The effects of misfit strain on the electrocaloric (EC) properties of BaTiO3 thin films arestudied by using the Landau-Devonshire thermodynamic theory. The misfit-strain temperature phase diagrams for different electric fields are constructed. It was found that the EC effect of a BaTiO3 thin film is strongly dependent on misfit strain. More interestingly, we found that BaTiO3 thin films with tensile misfit strain exhibit a sizable EC effect in a wider temperature range in comparison with those with compressive misfit strain.

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ER -

Sizable electrocaloric effect in a wide temperature range tuned by tensile misfit strain in BaTiO3 thin films

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Sizable electrocaloric effect in a wide temperature range tuned by tensile misfit strain in BaTiO₃ thin films