Strain-induced interface reconstruction in epitaxial heterostructures

N. Lazarides, V. Paltoglou, P. Maniadis, G. P. Tsironis, C. Panagopoulos

    Research output: Contribution to journalArticlepeer-review

    3 Scopus citations

    Abstract

    We investigate in the framework of Landau theory the distortion of the strain fields at the interface of two dissimilar ferroelastic oxides that undergo a structural cubic-to-tetragonal phase transition. Simple analytical solutions are derived for the dilatational and the deviatoric strains that are valid over the entire heterostructure. The solutions reveal that the dilatational strain exhibits compression close to the interface, which may in turn affect the electronic properties in that region.

    Original languageBritish English
    Article number245428
    JournalPhysical Review B - Condensed Matter and Materials Physics
    Volume84
    Issue number24
    DOIs
    StatePublished - 14 Dec 2011

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