6533b85afe1ef96bd12b9f05
RESEARCH PRODUCT
Preparation of mixed oxides MNdO3, with M=Cr, Fe. Comparison of several methods
A. GaldónM.c. Guillemsubject
Materials scienceAqueous solutionChromate conversion coatingPrecipitation (chemistry)Inorganic chemistryGeneral ChemistryCondensed Matter PhysicsDecompositionlaw.inventionMetallawvisual_artvisual_art.visual_art_mediumMixed oxideGeneral Materials ScienceCeramicCrystallizationdescription
Abstract Different methods for the formation of NdCrO3 and NdFeO3, having the perovskite-like structure, were studied including the ceramic method, simultaneous precipitation of hydroxides and simultaneous crystallization from aqueous solutions of nitrates. Preparation of mixed oxides from hydroxides simultaneously precipitated lowered the temperature and time required for their formation. In the case of NdCrO3 the formation process from hydroxides and nitrates occurred through the chromate, NdCrO4, without intermediate decomposition of the precursor to metal oxides, which lead to the mixed oxide by 600°C.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 1993-09-01 | Solid State Ionics |