Ferroelectric Domain Structure of [Formula presented] Epitaxial Thin Films

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

doi:10.1103/PhysRevLett.88.107601

Ferroelectric Domain Structure of [Formula presented] Epitaxial Thin Films

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

Research output: Contribution to journal › Article › peer-review

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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 language	English
Pages (from-to)	4
Number of pages	1
Journal	Physical Review Letters
Volume	88
Issue number	10
DOIs	https://doi.org/10.1103/PhysRevLett.88.107601
State	Published - 2002
Externally published	Yes

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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.",

author = "Zurbuchen, {M. A.} and G. Asayama and Schlom, {D. G.} and Streiffer, {S. K.}",

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AU - Zurbuchen, M. A.

AU - Asayama, G.

AU - Schlom, D. G.

AU - Streiffer, S. K.

PY - 2002

Y1 - 2002

N2 - 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.

AB - 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.

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Ferroelectric Domain Structure of [Formula presented] Epitaxial Thin Films

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