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In the well-known phase decomposition process, a phase with a homogeneous composition separates into two phases with different local compositions that can be geometrically determined by the common tangent construction on the molar free energy versus composition curves. Here we consider an analogous phase destrain process in which a phase with a homogeneous strain separates into two phases with different...
Ferroelastic domains are common defects in epitaxial ferroelectric thin films, being typically observed around interfacial dislocations due to attractive elastic interactions. Because of their large stress fields, domain size and shape can influence local ferroelectric switching behavior. Here the morphology of ferroelastic domains in Pb(Zr 0.2 , Ti 0.8 )O 3 thin films is investigated...
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