Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/4347
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Title: Synthesis and ferroelectric properties of multiferroic BiFeO₃ nanotube arrays
Authors: Zhang, XY
Lai, CW
Zhao, X
Wang, DY
Dai, J 
Issue Date: 3-Oct-2005
Source: Applied physics letters, 3 Oct. 2005, v. 87, no. 14, 143102, p. 1-3
Abstract: We report the synthesis and characterization of ordered multiferroic BiFeO₃ (BFO) nanotube arrays. BFO nanotubes with diameters of about 250 nm and lengths of about 6 μm were fabricated by means of a sol-gel method utilizing nanochannel alumina templates. After postannealing at 700 °C, the BFO nanotubes exhibited a polycrystalline microstructure, and x-ray diffraction and transmission electron microscopy study revealed that they are of a perovskite crystal structure. Significant ferroelectric and piezoelectric characteristics of BFO nanotubes have been demonstrated by means of piezoresponse force microscopy measurement.
Keywords: Bismuth compounds
Nanotubes
Ferroelectric materials
Sol-gel processing
Annealing
X-ray diffraction
Transmission electron microscopy
Piezoceramics
Publisher: American Institute of Physics
Journal: Applied physics letters 
ISSN: 0003-6951
EISSN: 1077-3118
DOI: 10.1063/1.2076437
Rights: © 2005 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 X. Y. Zhang et al., Appl. Phys. Lett. 87, 143102 (2005) and may be found at http://apl.aip.org/resource/1/applab/v87/i14/p143102_s1
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