NDLI: Thickness Dependence of c/a Polytwin Structures Observed in Epitaxial Oxide Ferroelectric Thin Films

Content Provider	Semantic Scholar
Author	Alpay, S. Pamir Roytburd, Alexander L.
Copyright Year	2000
Abstract	Ferroelectric or ferroelastic epitaxial films undergoing a cubic-to-tetragonal phase transformation usually relax the resultant strain energy due to lattice misfit by forming a polytwin (polydomain) structure. Polydomain formation occurs at the expense of building interdomain interfaces and microstresses which develop at the film-substrate interface due to the periodic deviation of the strain. The interplay between these components results in a critical thickness for domain formation below which the polydomain structure is not stable. In this article, we investigate the film thickness dependence of a polydomain structure using a thermodynamical approach.
Starting Page	85
Ending Page	92
Page Count	8
File Format	PDF HTM / HTML
Volume Number	24
Alternate Webpage(s)	http://journals.tubitak.gov.tr/physics/issues/fiz-00-24-2/fiz-24-2-2-98053.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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