Coexistence of polar order and local domain dynamics in ferroelectric SrTi$^{18}$O$_3$

2:30 PM–5:30 PM, Wednesday, March 7, 2007
Colorado Convention Center Room: 105

Sponsoring Unit: DMP
Chair: Ho Nyung Lee, Oak Ridge National Laboratory

Abstract ID: BAPS.2007.MAR.S20.8

Abstract: S20.00008 : Coexistence of polar order and local domain dynamics in ferroelectric SrTi$^{18}$O$_3$

4:18 PM–4:30 PM

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Authors:

Annette Bussmann-Holder
(Max-Planck-Institute for Solid State Research)

Helmut Buettner
(University of Bayreuth)

Alan Bishop
(Los Alamos National Laboratory)

Perovskite oxide ferroelectrics show classical soft mode behaviour typical for the onset of a homogeneous long-range polar state and a displacive phase transition. Besides these long wave length properties, local effects are observed by different probes which reveal that dynamical symmetry breaking already takes place far above the actual instability. It is shown here that displacive mean-field type dynamics can indeed \underline{coexist} with local dynamical symmetry breaking.

To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2007.MAR.S20.8

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Bulletin of the American Physical Society

2007 APS March Meeting

Volume 52, Number 1

Monday–Friday, March 5–9, 2007; Denver, Colorado

Session S20: Focus Session: Nanoscale Ferroelectrics, Switching, and Domains

Abstract: S20.00008 : Coexistence of polar order and local domain dynamics in ferroelectric SrTi$^{18}$O$_3$

Authors:

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