TITLE

Surface and size effects on phase diagrams of ferroelectric thin films

AUTHOR(S)
Ma, D. C.; Yue Zheng; Woo, C. H.
PUB. DATE
December 2009
SOURCE
Applied Physics Letters;12/28/2009, Vol. 95 Issue 26, p262901
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Taking into account effects of the surface and depolarization field, we investigated the “misfit strain-temperature” phase diagrams of ferroelectric thin film by using the time-dependent Ginzburg–Landau theory. The simulation results show that the surface effect can shift the phase diagram to lower temperature. More importantly, effect of the depolarization field obviously shrinks the c-phase, and dominates the paraelectric and aa-phase in the phase diagram.
ACCESSION #
47244481

 

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