Preparation of needlelike Sr0.5Ba0.5Nb2O6 particles using molten SrCl2-BaCl2 salt

被引：6

作者：

Furubayashi, Atsushi ^{[1
]}

Kimura, Toshio ^{[1
]}

机构：

[1] Keio Univ, Grad Sch Sci & Technol, Kohoku Ku, Yokohama, Kanagawa 2238522, Japan

来源：

JOURNAL OF THE CERAMIC SOCIETY OF JAPAN | 2011年 / 119卷 / 1388期

关键词：

Molten salt synthesis; Powders-chemical preparation; Whiskers; Chemical properties; Niobates; TEMPLATED GRAIN-GROWTH; CERAMICS;

D O I：

10.2109/jcersj2.119.282

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Needle like Sr0.5Ba0.5Nb2O6 powder particles were prepared from SrCO3, BaCO3, and Nb2O5 in the presence of a mixture of molten SrCl2 and BaCl2. When the composition of the mixture of oxide and carbonate was fixed to be SrCO3:BaCO3: Nb2O5= 1:1:2, the phase and morphology of the product particles were dependent on the composition of molten salt. The exchange reaction, BaO + SrCl2 = BaCl2 + SrO, enriched Sr in the oxide phase. The relation between the compositions of the salt mixture and the reaction product was determined, and needlelike Sr0.5Ba0.5Nb2O6 particles were obtained by using the molten salt containing 18 mol % SrCl2. (C) 2011 The Ceramic Society of Japan. All rights reserved.

引用

页码：282 / 284

页数：3

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