Catalytic properties of some mixed transition-metal oxides

The effect of preparation procedure of some mixed transition-metal oxides on their catalytic properties has been investigated. The catalytic activity of the oxides, attributed to their n- or p-semiconductive character, was also studied with regard to the reaction of thermal decomposition of potassiu...

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Bibliographic Details
Published in:Materials letters 1991, Vol.11 (3), p.133-141
Main Authors: Haralambous, K.J., Loizos, Z., Spyrellis, N.
Format: Article
Language:English
Subjects:
Chemistry
Exact sciences and technology
General and physical chemistry
Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry
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Summary:The effect of preparation procedure of some mixed transition-metal oxides on their catalytic properties has been investigated. The catalytic activity of the oxides, attributed to their n- or p-semiconductive character, was also studied with regard to the reaction of thermal decomposition of potassium and sodium chlorates and perchlorates. The oxides studied were the nickel spinel ferrites and the erbium-iron garnets and perovskites (orthoferrites) and it was found that catalytic activity depends on their preparation procedure. Materials mainly consisting of the spinel or perovskite and garnet phases, present increased catalytic activity.
ISSN:0167-577X
1873-4979
DOI:10.1016/0167-577X(91)90101-B