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Properties of Phase Transformation of Ferroelectric Thin Films with Surface Layers

DOI: 10.4236/jmp.2011.29125, PP. 1037-1040

Keywords: Ferroelectric Thin Film, Surface Layer, Phase Transformation

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Abstract:

Using the generalized Ginzburg-Landau-Devonshire theory, the characteristics of phase transformation of a ferroelectric thin film with surface layers are investigated. We study the effect of the surface layer on the properties (coercive field, critical thickness) of a ferroelectric thin film. Our theoretical results show that the surface layer is likely to answer for the emergence of phase transformation.

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