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Title: Temperature-dependent electrical behavior of La0.7 Sr 0.3 MnO3 -buffered Bi0.9 La0.1 FeO3 thin films
Authors: Wang, Y. 
Wang, J. 
Issue Date: 2009
Citation: Wang, Y., Wang, J. (2009). Temperature-dependent electrical behavior of La0.7 Sr 0.3 MnO3 -buffered Bi0.9 La0.1 FeO3 thin films. Journal of Applied Physics 106 (9) : -. ScholarBank@NUS Repository.
Abstract: Temperature-dependent ferroelectric and dielectric behaviors of La 0.7 Sr0.3 MnO3 -buffered Bi0.9 La0.1 FeO3 thin films were investigated. It was observed that the coercive voltage remarkably increases with decreasing temperature, and for a fixed driving voltage the area of hysteresis loop demonstrates a maximum at a certain temperature, revealing the competition between the coercivity and driving voltage. The dielectric constant versus ac electric field evolves from the nonlinear behavior at room temperature, which is ascribed to the reversible bending movement of domain walls, to the linear Rayleigh law at 90 K, indicating the increased density of pinning centers and suppressed domain wall motion. The fatigue resistance is deteriorated at the low temperature as a result of the enhanced domain pinning. © 2009 American Institute of Physics.
Source Title: Journal of Applied Physics
ISSN: 00218979
DOI: 10.1063/1.3253740
Appears in Collections:Staff Publications

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