Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/32911
Title: The effect of a strain induced field on the dielectric property of a ferroelectric bilayer system
Authors: Jiang, W
Lo, VC
Keywords: Ferroelectric bilayer system
Pyroelectric coefficient
Strain layers
Susceptibility
Issue Date: 2008
Publisher: North-Holland
Source: Physica A. Statistical mechanics and its applications, 2008, v. 387, no. 27, p. 6778-6784 How to cite?
Journal: Physica A. Statistical mechanics and its applications 
Abstract: The Transverse Ising Model (TIM) based on the effective-field theory has been developed to study the physical properties of the ferroelectric bilayer system BaTiO 3/SrTiO 3 (BTO/STO), based on the differential operator technique. The effect of strain on the interfacial layers between two different slabs (A and B) can be described by the effective built-in field E 2. The ferroelectric behavior of a bilayer system is strongly influenced by strain and associated with slab thickness. The phase transition temperature shifts toward a higher value on increasing the slab thickness. The susceptibility strongly depends on both the strength of strain and the slab thickness. The height of the peak from the plot of susceptibility against temperature decreases on increasing the slab thickness. The pyroelectric coefficient changes into a round peak at the transition temperature that is different from the sharp peak in the absence of external and strain-induced fields.
URI: http://hdl.handle.net/10397/32911
ISSN: 0378-4371
EISSN: 1873-2119
DOI: 10.1016/j.physa.2008.09.012
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