Theoretical studies on the pyroelectric properties of two component composite ferroelectric thin film

Hui Chen, Tianquan Lü, Chuanwen Chen, Wenwu Cao

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Using a Ginzburg-Landau-Devonshire type model, the pyroelectric property and hysteresis loop are studied for a composite ferroelectric thin film that contains an insertion of a different type of ferroelectric material in parallel connection with the host ferroelectric film material. If these two types of ferroelectric materials are polarized along the same direction, there are two peaks occur in the pyroelectric coefficient vs temperature curve. If the two ferroelectric materials are polarized in opposite directions, one positive and one negative coefficient peaks occur in the temperature dependence of pyroelectric coefficient curve and the hysteresis loop appears to be a quasi-double loop. The effect of the external electric field on the pyroelectric coefficient is also investigated.

Original languageEnglish (US)
Pages (from-to)357-361
Number of pages5
JournalPhysics Letters, Section A: General, Atomic and Solid State Physics
Volume360
Issue number2
DOIs
StatePublished - Dec 25 2006

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ferroelectric materials
composite materials
coefficients
thin films
hysteresis
curves
insertion
temperature dependence
electric fields
temperature

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

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Theoretical studies on the pyroelectric properties of two component composite ferroelectric thin film. / Chen, Hui; Lü, Tianquan; Chen, Chuanwen; Cao, Wenwu.

In: Physics Letters, Section A: General, Atomic and Solid State Physics, Vol. 360, No. 2, 25.12.2006, p. 357-361.

Research output: Contribution to journalArticle

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