Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/16533
Title: Anisotropic properties and crystal structure of ferroelectric Na 0.5Bi4.5Ti4O15
Authors: Li, Z
Chan, HLW 
Li, Y
Kwok, KW 
Choy, SH
Keywords: Dielectric property
Ferroelectric
Na0.5Bi4.5Ti 4O15
Phase transition
Issue Date: 2010
Publisher: Elsevier
Source: Journal of alloys and compounds, 2010, v. 506, no. 1, p. 70-72 How to cite?
Journal: Journal of alloys and compounds 
Abstract: Bismuth layer-structured ferroelectric sodium bismuth titanate Na 0.5Bi4.5Ti4O15 (NBT4) was prepared by conventional solid-state reaction method, and its dielectric and ferroelectric properties are investigated. The dielectric spectra of NBT4 ceramics obviously display anisotropic behaviors, in which the large thermal hysteresis loops with anisotropy are found for first-order phase transitions of NBT4. Based on the analyses of obtained XRD and SEM results, the special anisotropic responses maybe contributed to pseudo-perovskite blocks and bismuth layers (Bi2O2)2+ for their stages of lattice transitions in NBT4 compound.
URI: http://hdl.handle.net/10397/16533
ISSN: 0925-8388
DOI: 10.1016/j.jallcom.2010.07.022
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