Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/28915
Title: Low-Temperature Preparation and Size Effect of Strontium Barium Niobate Ultrafine Powder
Authors: Lu, SG
Mak, CL 
Wong, KH
Issue Date: 2001
Publisher: Wiley-Blackwell
Source: Journal of the American Ceramic Society, 2001, v. 84, no. 1, p. 79-84 How to cite?
Journal: Journal of the American Ceramic Society 
Abstract: Ultrafine strontium barium niobate ((SrxBa1-x)Nb2O6, SBN) powders were prepared using sol-gel and hydrolysis aging processes. Their structural properties were examined via X-ray diffractometry and Raman spectroscopy. Our results indicated that the SBN powders crystallize to a pure tetragonal phase at annealing temperatures as low as 700 °C. The crystal-lite size of SBN powders subjected to different thermal treatments was in the range of several tens of nanometers. Differential scanning calorimetry revealed that the heat flow had a broadened peak. The transition temperature from the ferro-electric phase to the paraelectric phase and the relative dielectric constant of the SBN50 powder were less than the corresponding values of the bulk ceramic and the single crystal.
URI: http://hdl.handle.net/10397/28915
ISSN: 0002-7820
EISSN: 1551-2916
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