Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/24178
Title: Plate-like Na0.5Bi0.5TiO3 template synthesized by a topochemical method
Authors: Zeng, JT
Kwok, KW 
Tam, WK
Tian, HY
Jiang, XP
Chan, HLW 
Issue Date: 2006
Publisher: Wiley-Blackwell
Source: Journal of the American Ceramic Society, 2006, v. 89, no. 12, p. 3850-3853 How to cite?
Journal: Journal of the American Ceramic Society 
Abstract: Large plate-like Na0.5Bi0.5TiO3 (NBT) templates have been successfully synthesized from bismuth layer-structured ferroelectric Na0.5Bi4.5Ti4O15 (NBIT) particles by the topochemical method. Because of the highly anisotropic structure, plate-like NBIT particles were first synthesized by the molten-salt process. After the topochemical reaction with the complementary reactants (Na2CO3, and TiO2) in NaCl flux, the layer-structured NBIT particles were transformed to the perovskite NBT templates. The resulting NBT templates are large and of plate-like shape. Our results also reveal that they are more effective in inducing grain orientation in the BNKT-BT ceramics as compared with BIT templates. For a BNKT-BT ceramic textured with 20 wt% of NBT templates, it exhibits a very high degree of grain orientation and gives a large Lotgering factor of 0.89.
URI: http://hdl.handle.net/10397/24178
ISSN: 0002-7820
EISSN: 1551-2916
DOI: 10.1111/j.1551-2916.2006.01297.x
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