Domain-size dependence of piezoelectric properties of ferroelectrics

Rajeev Ahluwalia, Turab Lookman, Avadh Saxena, Wenwu Cao

Research output: Contribution to journalArticle

90 Citations (Scopus)

Abstract

The domain-size dependence of the piezoelectric properties of ferroelectrics is investigated using a continuum Ginzburg-Landau model that incorporates long-range elastic and electrostatic interactions. Microstructures with the desired domain sizes are created by quenching from the paraelectric phase by biasing the initial conditions. Three different two-dimensional microstructures with different sizes of the 90° domains are simulated. An electric field is applied along the polar as well as nonpolar directions and the piezoelectric response is simulated as a function of domain size for both cases. The simulations show that the piezoelectric coefficients are enhanced by reducing the domain size, consistent with recent experimental results of Wada and Tsurumi [Br. Ceram. Trans. 103, 93 (2004)] on domain-engineered BaTiO3 single crystals.

Original languageEnglish (US)
Article number014112
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume72
Issue number1
DOIs
StatePublished - Oct 27 2005

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Ferroelectric materials
Microstructure
Coulomb interactions
Quenching
Electric fields
Single crystals
microstructure
quenching
electrostatics
continuums
electric fields
single crystals
coefficients
Direction compound
simulation
interactions

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

Cite this

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abstract = "The domain-size dependence of the piezoelectric properties of ferroelectrics is investigated using a continuum Ginzburg-Landau model that incorporates long-range elastic and electrostatic interactions. Microstructures with the desired domain sizes are created by quenching from the paraelectric phase by biasing the initial conditions. Three different two-dimensional microstructures with different sizes of the 90° domains are simulated. An electric field is applied along the polar as well as nonpolar directions and the piezoelectric response is simulated as a function of domain size for both cases. The simulations show that the piezoelectric coefficients are enhanced by reducing the domain size, consistent with recent experimental results of Wada and Tsurumi [Br. Ceram. Trans. 103, 93 (2004)] on domain-engineered BaTiO3 single crystals.",
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Domain-size dependence of piezoelectric properties of ferroelectrics. / Ahluwalia, Rajeev; Lookman, Turab; Saxena, Avadh; Cao, Wenwu.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 72, No. 1, 014112, 27.10.2005.

Research output: Contribution to journalArticle

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