Journal
APPLIED PHYSICS LETTERS
Volume 93, Issue 23, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3039410
Keywords
barium compounds; electric domains; epitaxial layers; ferroelectric thin films; ferroelectric transitions
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Funding
- DOE [DOE DE-FG02-07ER46417]
- NSF [DMR-0507146, DMR-0820404]
- Los Alamos National Laboratory supported by DOE
- Materials Simulation Center
- Graduate Education and Research Services at PSU
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The effect of anisotropic strains on the phase transitions and domains structures of BaTiO3 thin films was studied using both thermodynamic calculations and phase-field simulations. The misfit strain-misfit strain domain stability diagrams were predicted. The similarity and significant differences between the diagrams from thermodynamic calculations assuming single domains and from phase-field simulations were analyzed. Typical domain structures as a result of anisotropic misfit strains are presented.
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