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Hydrodynamics of domain walls in ferroelectrics and multiferroics: impact on memory devices

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Scott_2016_APL_HydrodynamicsofDomainWalls_AAM.pdf (426.6Kb)
Date
25/07/2016
Author
Scott, J. F
Evans, D. M.
Gregg, J. M.
Gruverman, A.
Keywords
Ferroelastics
Domains
Multiferroics
Hydrodynamics
QC Physics
NDAS
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Abstract
The standard "Kittel Law" for the thickness and shape of ferroelectric, ferroelastic, or ferromagnet domains assumes mechanical equilibrium. The present paper shows that such domains may be highly nonequilibrium, with unusual thicknesses and shapes. In lead germanate and multiferroic lead zirconate titanate iron tantalate domain wall instabilities resemble hydrodynamics (Richtmyer-Meshkov and Helfrich-Hurault, respectively).
Citation
Scott , J F , Evans , D M , Gregg , J M & Gruverman , A 2016 , ' Hydrodynamics of domain walls in ferroelectrics and multiferroics: impact on memory devices ' , Applied Physics Letters , vol. 109 , no. 4 , 042901 . https://doi.org/10.1063/1.4959996
Publication
Applied Physics Letters
Status
Peer reviewed
DOI
https://doi.org/10.1063/1.4959996
ISSN
0003-6951
Type
Journal article
Rights
Copyright 2016 the authors. This work is made available online in accordance with the publisher’s policies. This is the author created, accepted version manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at http://scitation.aip.org/content/aip/journal/apl
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  • University of St Andrews Research
URI
http://hdl.handle.net/10023/9155

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