PREPARATION OF FINE LANIO3 POWDER FROM OXALATE PRECURSORS VIA REACTIONS IN INVERSE MICROEMULSIONS

Authors
GAN LM CHAN HSO ZHANG LH CHEW CH LOO BH
Citation
Lm. Gan et al., PREPARATION OF FINE LANIO3 POWDER FROM OXALATE PRECURSORS VIA REACTIONS IN INVERSE MICROEMULSIONS, Materials chemistry and physics, 37(3), 1994, pp. 263-268
Citations number
16
Categorie Soggetti
Material Science
Journal title
Materials chemistry and physics → ACNP
ISSN journal
02540584
Volume
37
Issue
3
Year of publication
1994
Pages
263 - 268
Database
ISI
SICI code
0254-0584(1994)37:3<263:POFLPF>2.0.ZU;2-6
Abstract
The inverse microemulsion technique has successfully been used to synt hesize lanthanum and nickel oxalate particles, which could readily be processed to form a fine LaNiO3 powder. Under appropriate conditions, the metal oxalate coprecipitates were microhomogeneously mixed in the form of spherical particles about 20 nm in diameter. When these coprec ipitated lanthanum and nickel oxalate particles were clacined at 800-d egrees-C for 20 h, fine LaNiO3 powder was obtained. This powder was fo und to have the formula LaNiO2.82-2.90.