Nonlinear piezoelectricity in epitaxial ferroelectrics at high electric fields

Alexei Grigoriev; Rebecca Sichel; Ho Nyung Lee; Eric C. Landahl; Bernhard Adams; Eric M. Dufresne; Paul G. Evans

doi:10.1103/PhysRevLett.100.027604

Nonlinear piezoelectricity in epitaxial ferroelectrics at high electric fields

Alexei Grigoriev, Rebecca Sichel, Ho Nyung Lee, Eric C. Landahl, Bernhard Adams, Eric M. Dufresne, Paul G. Evans

Materials Science and Technology Div

Research output: Contribution to journal › Article › peer-review

57 Scopus citations

Abstract

Nonlinear effects in the coupling of polarization with elastic strain have been predicted to occur in ferroelectric materials subjected to high electric fields. Such predictions are tested here for a PbZr0.2Ti0.8O3 ferroelectric thin film at electric fields in the range of several hundred MV/m and strains reaching up to 2.7%. The piezoelectric strain exceeds predictions based on constant piezoelectric coefficients at electric fields from approximately 200 to 400MV/m, which is consistent with a nonlinear effect predicted to occur at corresponding piezoelectric distortions.

Original language	English
Article number	027604
Journal	Physical Review Letters
Volume	100
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevLett.100.027604
State	Published - Jan 18 2008

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abstract = "Nonlinear effects in the coupling of polarization with elastic strain have been predicted to occur in ferroelectric materials subjected to high electric fields. Such predictions are tested here for a PbZr0.2Ti0.8O3 ferroelectric thin film at electric fields in the range of several hundred MV/m and strains reaching up to 2.7%. The piezoelectric strain exceeds predictions based on constant piezoelectric coefficients at electric fields from approximately 200 to 400MV/m, which is consistent with a nonlinear effect predicted to occur at corresponding piezoelectric distortions.",

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AU - Grigoriev, Alexei

AU - Sichel, Rebecca

AU - Lee, Ho Nyung

AU - Landahl, Eric C.

AU - Adams, Bernhard

AU - Dufresne, Eric M.

AU - Evans, Paul G.

PY - 2008/1/18

Y1 - 2008/1/18

N2 - Nonlinear effects in the coupling of polarization with elastic strain have been predicted to occur in ferroelectric materials subjected to high electric fields. Such predictions are tested here for a PbZr0.2Ti0.8O3 ferroelectric thin film at electric fields in the range of several hundred MV/m and strains reaching up to 2.7%. The piezoelectric strain exceeds predictions based on constant piezoelectric coefficients at electric fields from approximately 200 to 400MV/m, which is consistent with a nonlinear effect predicted to occur at corresponding piezoelectric distortions.

AB - Nonlinear effects in the coupling of polarization with elastic strain have been predicted to occur in ferroelectric materials subjected to high electric fields. Such predictions are tested here for a PbZr0.2Ti0.8O3 ferroelectric thin film at electric fields in the range of several hundred MV/m and strains reaching up to 2.7%. The piezoelectric strain exceeds predictions based on constant piezoelectric coefficients at electric fields from approximately 200 to 400MV/m, which is consistent with a nonlinear effect predicted to occur at corresponding piezoelectric distortions.

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Nonlinear piezoelectricity in epitaxial ferroelectrics at high electric fields

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