Solution routes to synthesize superconducting oxides

Different solution routes to synthesize superconducting oxides are reviewed and compared with the more widely used method of grinding and reaction. One route, i.e. freeze drying, is described in detail. The specific salts and solution pH are particularly important parameters. Solutions containing on...

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Bibliographic Details
Published in:Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 1989-03, Vol.109, p.289-292
Main Authors: Medelius, H, Rowcliffe, D.J
Format: Article
Language:English
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Summary:Different solution routes to synthesize superconducting oxides are reviewed and compared with the more widely used method of grinding and reaction. One route, i.e. freeze drying, is described in detail. The specific salts and solution pH are particularly important parameters. Solutions containing only nitrates dry well but melt on calcination. However, acetate and nitrate mixtures show a different drying behaviour but yield a powder of agglomerated submicron particles on calcination. Samples sintered out of these powders show sharp transitions and very good magnetic behaviour.
ISSN:0921-5093
1873-4936
DOI:10.1016/0921-5093(89)90602-3