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Title: Compositionally graded bismuth ferrite thin films
Authors: Wu, J. 
Wang, J. 
Xiao, D.
Zhu, J.
Keywords: Bismuth ferrite
Compositionally graded thin film
Fatigue behavior
Multiferroic properties
Issue Date: 1-Sep-2011
Citation: Wu, J., Wang, J., Xiao, D., Zhu, J. (2011-09-01). Compositionally graded bismuth ferrite thin films. Journal of Alloys and Compounds 509 (35) : L319-L323. ScholarBank@NUS Repository.
Abstract: The compositionally graded (Bi0.92La0.08)(Fe 1-xZnx)O3 (x = 0.03, 0.07, and 0.13) thin film was layer-by-layer grown on Pt/Ti/SiO2/Si(1 0 0) substrates without any buffer layers by radio frequency sputtering. This thin film has a pure polycrystalline perovskite structure with random orientation, a dense microstructure, and a low leakage current density. A large remanent polarization of 2Pr ∼ 142.00 μC/cm2 and a good magnetic behavior of 2 Ms ∼ 27.52 emu/cm3 are demonstrated in such a thin film. The applied electric fields and measurement frequencies strongly affect its fatigue endurance, that is, its fatigue endurance was degraded with decreasing frequencies and electric fields. © 2011 Elsevier B.V. All rights reserved.
Source Title: Journal of Alloys and Compounds
ISSN: 09258388
DOI: 10.1016/j.jallcom.2011.05.076
Appears in Collections:Staff Publications

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