Ferroelectric Domain Structure of [Formula presented] Epitaxial Thin Films

M. A. Zurbuchen, G. Asayama, D. G. Schlom, S. K. Streiffer

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

The domain structure in a ferroelectric with well-defined crystallography and negligible ferroelastic distortion [Formula presented] is reported. In contrast to prototypical ferroelectrics in which long-range elastic strain dictates the domain structure, in [Formula presented] the elastic term is insignificant, allowing dipole-dipole interactions and domain wall energies to dominate in determining the domain structure. Electron microscopy reveals ferroelectric domains that are irregularly shaped and highly curved. Out-of-phase boundary defects are shown to be weakly correlated with 90° ferroelectric domain structure.

Original languageEnglish
Pages (from-to)4
Number of pages1
JournalPhysical Review Letters
Volume88
Issue number10
DOIs
StatePublished - 2002
Externally publishedYes

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