Temperature-strain phase diagram for BaTiO 3 thin films

Y. L. Li; L. Q. Chen

doi:10.1063/1.2172744

Temperature-strain phase diagram for BaTiO ₃ thin films

Y. L. Li, L. Q. Chen

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

201 Scopus citations

Abstract

The shifts of ferroelectric phase transition temperatures and domain stabilities of BaTi O3 thin films as a function of strain and temperature were studied using phase-field simulations. A new Landau-Devonshire thermodynamic potential based on an eighth-order polynomial was employed for describing the bulk free energy of BaTi O3 single crystals, which allows the exploration of domain stability in the full range of experimentally accessible compressive and tensile strains. Based on the simulation results, a phase diagram was constructed, which displays the stability of various ferroelectric phases and domain structures as a function of temperature and strain.

Original language	English (US)
Article number	072905
Journal	Applied Physics Letters
Volume	88
Issue number	7
DOIs	https://doi.org/10.1063/1.2172744
State	Published - 2006

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.2172744

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title = "Temperature-strain phase diagram for BaTiO 3 thin films",

abstract = "The shifts of ferroelectric phase transition temperatures and domain stabilities of BaTi O3 thin films as a function of strain and temperature were studied using phase-field simulations. A new Landau-Devonshire thermodynamic potential based on an eighth-order polynomial was employed for describing the bulk free energy of BaTi O3 single crystals, which allows the exploration of domain stability in the full range of experimentally accessible compressive and tensile strains. Based on the simulation results, a phase diagram was constructed, which displays the stability of various ferroelectric phases and domain structures as a function of temperature and strain.",

author = "Li, {Y. L.} and Chen, {L. Q.}",

note = "Funding Information: The authors are grateful to Dr D. Schlom and Dr. S. Streffer for suggestions and discussions, particularly on the nomenclature and the labeling of the domain stability diagram. This work was supported by the NSF under Grant Nos. DMR-0122638 and DMR-0103354. ",

year = "2006",

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language = "English (US)",

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T1 - Temperature-strain phase diagram for BaTiO 3 thin films

AU - Li, Y. L.

AU - Chen, L. Q.

N1 - Funding Information: The authors are grateful to Dr D. Schlom and Dr. S. Streffer for suggestions and discussions, particularly on the nomenclature and the labeling of the domain stability diagram. This work was supported by the NSF under Grant Nos. DMR-0122638 and DMR-0103354.

PY - 2006

Y1 - 2006

N2 - The shifts of ferroelectric phase transition temperatures and domain stabilities of BaTi O3 thin films as a function of strain and temperature were studied using phase-field simulations. A new Landau-Devonshire thermodynamic potential based on an eighth-order polynomial was employed for describing the bulk free energy of BaTi O3 single crystals, which allows the exploration of domain stability in the full range of experimentally accessible compressive and tensile strains. Based on the simulation results, a phase diagram was constructed, which displays the stability of various ferroelectric phases and domain structures as a function of temperature and strain.

AB - The shifts of ferroelectric phase transition temperatures and domain stabilities of BaTi O3 thin films as a function of strain and temperature were studied using phase-field simulations. A new Landau-Devonshire thermodynamic potential based on an eighth-order polynomial was employed for describing the bulk free energy of BaTi O3 single crystals, which allows the exploration of domain stability in the full range of experimentally accessible compressive and tensile strains. Based on the simulation results, a phase diagram was constructed, which displays the stability of various ferroelectric phases and domain structures as a function of temperature and strain.

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ER -

Temperature-strain phase diagram for BaTiO ₃ thin films

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