Sol-gel process for synthesis of NdBa2Cu3Ox powders from acidic metal acetates

Nd-123 powder was synthesised by the sol-gel process using Nd, Ba and Cu acetates. Two processing variants were investigated, one utilising an acetate sol and the other an acetate sol with added ascorbic acid. Ascorbic acid acts as a complexing agent with strong reducing properties and can promote h...

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Veröffentlicht in:	Journal of materials science letters 2001, Vol.20 (1), p.59-61
Hauptverfasser:	DEPTULA, A, LADA, W, OLCZAK, T, OSTENSON, J. E, CRUSE, T. A, GORETTA, K. C
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Building materials. Ceramics. Glasses Ceramic industries Chemical industry and chemicals Chemistry Colloidal state and disperse state Electrotechnical and electronic ceramics Elements and non-metal compounds (oxides, hydroxides, hydrides, sulfides, carbides, ...) Exact sciences and technology General and physical chemistry Inorganic chemistry and origins of life Powders Preparations and properties Technical ceramics
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Beschreibung
Zusammenfassung:	Nd-123 powder was synthesised by the sol-gel process using Nd, Ba and Cu acetates. Two processing variants were investigated, one utilising an acetate sol and the other an acetate sol with added ascorbic acid. Ascorbic acid acts as a complexing agent with strong reducing properties and can promote high phase purity in sol-gel synthesised powders. The two variants produced equally pure Nd-123 powders. However, the sol containing ascorbic acid maintained stability to lower viscosities. 32 refs.
ISSN:	0261-8028
DOI:	10.1023/A:1006791507296