Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/33024
Title: Ferroelectric hysteresis loops as the manifestation of interface-aided polarization reversals in heterostructures
Authors: Chew, KH
Ishibashi, Y
Shin, FG
Keywords: Heterostructure
Hysteresis loops
Interface structure
Landau-Ginzburg theory
Layered ferroelectrics
Polarization reversal
Issue Date: 2005
Publisher: Physical Society Japan
Source: Journal of the physical society of Japan, 2005, v. 74, no. 8, p. 2338-2346 How to cite?
Journal: Journal of the Physical Society of Japan 
Abstract: We present a detailed study of intrinsic ferroelectric hysteresis loops in a heterostructure of interface between two different ferroelectrics of the second-order transition by the Landau-Ginzburg theory. Our study indicates that the ferroelectric hysteresis behavior in an interfacial-coupled structure might be governed by the interplay of various parameters such as the interfacial coupling, the interaction between neighboring polarizations within the constituents and the dielectric softness of the constituents. Inhomogeneity of polarization at the interface induced by the interaction between the constituents across the interface assists the polarization reversal by reducing the coercive field of the heterostructures, implying an interface-aided polarization reversal. A significant reduction in the coercive field of the interface structure is expected to be possible if certain conditions based on the above-mentioned parameters are achieved.
URI: http://hdl.handle.net/10397/33024
ISSN: 0031-9015
DOI: 10.1143/JPSJ.74.2338
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