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http://hdl.handle.net/10397/4423
| Title: | Multiferroism in orientational engineered (La, Mn) co-substituted BiFeO₃ thin films | Authors: | Wang, DY Chan, NY Zheng, RK Kong, C Lin, D Dai, J Chan, HLW Li, S |
Issue Date: | 1-Jun-2011 | Source: | Journal of applied physics, 1 June 2011, v. 109, no. 11, 114105, p. 1-6 | Abstract: | Orientational engineered (La, Mn) co-substituted BiFeO₃ (LMBFO) thin films were epitaxially grown on CaRuO₃ electroded (LaAlO₃)₀.₃(Sr₂AlTaO₆)₀.₃₅ (LSAT) single crystal substrates by pulsed laser deposition. The experimental results demonstrate that the crystallographic orientation is the critical dominant of the structural and multiferroic properties of LMBFO thin films. Giant remanent polarization of 65, 92, and 106 µC/cm² for [001], [110], [111]-oriented films, respectively, were demonstrated at room temperature. Saturated magnetization is also significantly dependent on film orientation with the highest value of 12.8 emu/cm³ along [001] direction. The variation in leakage current density and ferroelectric coercivity were ascribed to the substantially difference of ferroelectric domain structures in variously oriented LMBFO thin films. | Keywords: | Ferroelectric materials Ferroelectricity Lanthanum Manganese Pulsed laser deposition Single crystals Thin films Vapor deposition |
Publisher: | American Institute of Physics | Journal: | Journal of applied physics | ISSN: | 0021-8979 | EISSN: | 1089-7550 | DOI: | 10.1063/1.3594745 | Rights: | © 2011 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in D.Y. Wang et al., J. Appl. Phys. 109, 114105 (2011) and may be found at http://jap.aip.org/resource/1/japiau/v109/i11/p114105_s1. |
| Appears in Collections: | Journal/Magazine Article |
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