Oxides; Chemical synthesis; X-ray diffraction; Electrical properties; Magnetic properties
Abstract :
[en] Synthesis of polycationic compounds by the spray-drying technique is an interesting alternative in the domain of aqueous precursor synthesis methods. Spray drying yields high quality samples with good reproducibility. The possibility of scaling up for production of large quantities with fast processing time is well established by the commercial availability of powders of various compositions. In this paper, we have discussed the advantages and limitations of this method and demonstrated its interest by synthesizing a few polycationic compounds selected for their attractive properties of thermoelectricity [Bi1.68Ca2Co1.69O8, La(0.95)A(0.05)CoO(3) (A = Ca, Sr, Ba)] or magnetoresistance [La(0.70)A(0.30)MnO(3) (A=Sr, Ba)]. We have confirmed the quality of these samples by reporting their structure, magnetic and transport properties. (C) 2010 Elsevier Ltd. All rights reserved.
Disciplines :
Chemistry Physics
Author, co-author :
Rivas-Murias, B.; Université de Liège - ULiège > Département de Chimie > LCIS
Fagnard, Jean-François ; Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Capteurs et systèmes de mesures électriques
Vanderbemden, Philippe ; Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Capteurs et systèmes de mesures électriques
Traianidis, M.; Belgian Ceramic Research Centre, Mons, Belgium
Henrist, Catherine ; Université de Liège - ULiège > Département de chimie (sciences) > LCIS - GreenMAT
Cloots, Rudi ; Université de Liège - ULiège > Département de chimie (sciences) > LCIS - GreenMAT
Vertruyen, Bénédicte ; Université de Liège - ULiège > Département de chimie (sciences) > LCIS
Language :
English
Title :
Spray drying: An alternative synthesis method for polycationic oxide compounds
Publication date :
2011
Journal title :
Journal of Physics and Chemistry of Solids
ISSN :
0022-3697
Publisher :
Pergamon-Elsevier Science Ltd, Oxford, United Kingdom
Volume :
72
Issue :
3
Pages :
158-163
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
BELSPO - SPP Politique scientifique - Service Public Fédéral de Programmation Politique scientifique
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