Phenomenological theory of phase transitions in epitaxial BaTiO3 thin films

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dc.creatorShirokov, V. B.
dc.creatorYuzyuk, Yu. I.
dc.creatorDkhil, B.
dc.creatorLemanov, V. V.
dc.date2007-03-16
dc.date2007-06-24
dc.date.accessioned2026-07-07T08:11:47Z
dc.date.available2026-07-07T08:11:47Z
dc.descriptionWe develop a phenomenological thermodynamic theory of ferroelectric BaTiO3 (BT) thin films epitaxially grown on cubic substrates using the Landau-Devonshire eight-order potential. The constructed "misfit-temperature" phase diagram is asymmetrical. We found that, overall view of the phase diagram depends on the values of compliances used in calculations and provide two qualitatively different diagrams. A thermodynamic path for BT film grown onto particular substrate can be found using a plot of the room-temperature tetragonal distortion (c-a)/a as a function of misfit strain.
dc.description6 pages, 3 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0703439
dc.identifierhttp://arxiv.org/abs/cond-mat/0703439
dc.identifierdoi:10.1103/PhysRevB.75.224116
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/132233
dc.subjectMaterials Science
dc.titlePhenomenological theory of phase transitions in epitaxial BaTiO3 thin films
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