Constrained ferroelectric domain orientation in (BiFeO3)m(SrTiO3)n superlattice

R. Ranjith; R. V. K. Mangalam; Ph. Boullay; A. David; M. B. Lepetit; U. Luders; W. Prellier; A. Da Costa; A. Ferri; R. Desfeux; Gy. Vincze; Zs. Radi; C. Aruta

doi:10.1063/1.3275726

Constrained ferroelectric domain orientation in (BiFeO3)m(SrTiO3)n superlattice

Materials Science 2010-01-13 v1 Strongly Correlated Electrons

Authors: R. Ranjith , R. V. K. Mangalam , Ph. Boullay , A. David , M. B. Lepetit , U. Luders , W. Prellier , A. Da Costa , A. Ferri , R. Desfeux , Gy. Vincze , Zs. Radi , C. Aruta

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Abstract

Ferroelectric domains were investigated using piezoresponse force microscopy in superlattices composed of multiferroic BiFeO3 and SrTiO3 layers. Compared to single BiFeO3 thin films, a reduction in the domains size and a suppression of the in-plane orientation of domains are observed in a superlattice of (BiFeO3)4(SrTiO3)8, suggesting a constrained ferroelectric domain orientation along the out-of-plane <001> direction. Such modification of domain size and orientation in BiFeO3-based heterostructures could play a vital role on engineering the domains and domain wall mediated functional properties necessary for device applications

Keywords

ferroelectric domains superlattices BiFeO3 SrTiO3 piezoresponse force microscopy domain orientation

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@article{arxiv.0912.0358,
  title  = {Constrained ferroelectric domain orientation in (BiFeO3)m(SrTiO3)n superlattice},
  author = {R. Ranjith and R. V. K. Mangalam and Ph. Boullay and A. David and M. B. Lepetit and U. Luders and W. Prellier and A. Da Costa and A. Ferri and R. Desfeux and Gy. Vincze and Zs. Radi and C. Aruta},
  journal= {arXiv preprint arXiv:0912.0358},
  year   = {2010}
}

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12 pages, 4 figures, To be published in APL

Constrained ferroelectric domain orientation in (BiFeO3)m(SrTiO3)n superlattice

Abstract

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