Theory of compatible domain arrangements in ferroelectric thin films

Nien-Ti Tsou, J. E. Huber

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations

Abstract

Thin films of single crystal ferroelectric material are constrained by their substrate to a fixed state of macroscopic inplane strain. Domain structures conform to minimize the overall energy of the system by matching the imposed strain conditions in an average sense. We study low-energy equilibrium states of ferroelectric thin films using the theory of domain compatibility. In a thin film with a given state of average strain, periodic laminate microstructures can be predicted or designed using compatibility theory and the condition that domain wall orientations parallel to the substrate are prohibited by the reduction to 2-dimensions. The theory is applied to [001], [011] and [111] oriented single crystal films of tetragonal ferroelectric materials. Compatible configurations are generated and the ability of such films to be poled by electric field is then explored.

Original languageEnglish
Title of host publicationProceedings of the ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems 2009, SMASIS2009
Pages221-228
Number of pages8
DOIs
StatePublished - 1 Dec 2009
Event2009 ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems, SMASIS2009 - Oxnard, CA, United States
Duration: 21 Sep 200923 Sep 2009

Publication series

NameProceedings of the ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems 2009, SMASIS2009
Volume1

Conference

Conference2009 ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems, SMASIS2009
CountryUnited States
CityOxnard, CA
Period21/09/0923/09/09

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    Tsou, N-T., & Huber, J. E. (2009). Theory of compatible domain arrangements in ferroelectric thin films. In Proceedings of the ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems 2009, SMASIS2009 (pp. 221-228). (Proceedings of the ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems 2009, SMASIS2009; Vol. 1). https://doi.org/10.1115/SMASIS2009-1386