Electrochemical preparation and structural characterization of La[sub 2]NiO[sub 4+[delta]] phases (0 [le] [delta] [le] 0. 25)

Electrochemical oxidation in alkaline solution has been used to control and to extend the oxygen overstoichiometry of La[sub 2]NiO[sub 4+[delta]] phases (0 [le] [delta] [le] 0.25). Chemical analysis has been carried out to determine the nickel (III) content and the related oxygen excess. Structural...

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Veröffentlicht in:	Journal of solid state chemistry 1993-08, Vol.105:2
Hauptverfasser:	Demourgues, A., Wattiaux, A., Grenier, J.C., Pouchard, M., Soubeyroux, J.L., Dance, J.M., Hagenmuller, P.
Format:	Artikel
Sprache:	eng
Schlagworte:	360202 - Ceramics, Cermets, & Refractories- Structure & Phase Studies 400400 - Electrochemistry CHALCOGENIDES CHEMICAL REACTIONS CHEMISTRY COHERENT SCATTERING DIFFRACTION ELECTROCHEMISTRY ELECTRON SPIN RESONANCE INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY LANTHANUM COMPOUNDS LANTHANUM OXIDES MAGNETIC RESONANCE MATERIALS SCIENCE NEUTRON DIFFRACTION NICKEL COMPOUNDS NICKEL OXIDES OXIDATION OXIDES OXYGEN COMPOUNDS PHASE STUDIES RARE EARTH COMPOUNDS REDUCTION RESONANCE SCATTERING STOICHIOMETRY STRUCTURAL CHEMICAL ANALYSIS TRANSITION ELEMENT COMPOUNDS X-RAY DIFFRACTION
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