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Journal ArticleDOI

Hydroxy acid-aided synthesis of perovskite-type oxides of cobalt and manganese

Yasutake Teraoka, +3 more
- 01 Apr 1991 - 
- Vol. 20, Iss: 4, pp 673-676
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TLDR
In this article, the acid-aided process using citric or malic acid produced a perovskite phase at relatively low calcination temperatures, and the adjustment of the starting solution to an appropriate pH value in the malic-acid-based process resulted in reducing the temperature for the formation of single-phase perovsite-type oxides and in producing large surface-area oxides.
Abstract
The hydroxy acid-aided process using citric or malic acid produced a perovskite phase at relatively low calcination temperatures. The adjustment of the starting solution to an appropriate pH value in the malic acid-aided process resulted in reducing the temperature for the formation of single-phase perovskite-type oxides and in producing large surface-area oxides.

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Citations
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Bifunctional oxygen/air electrodes

TL;DR: A selective review on the materials and construction principles used for bifunctional oxygen/air electrodes is given in this paper, which emphasizes the catalytically active materials used for the construction of these electrodes, which are a key component in electrically rechargeable air breathing electrochemical systems.
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Synthesis and characterization of ilmenite NiTiO3 and CoTiO3 prepared by a modified Pechini method

TL;DR: In this article, NiTiO 3 and CoTiO3 were prepared by a simple method based on the modified Pechini process and the raw compounds and citric acid (CA) were mixed in ethanol (EA) with the molar ratio Ni(Co)/Ti/CA/EA/EA = 1/1/ 1/7.5.
Journal ArticleDOI

NiTiO3 powders obtained by polymeric precursor method: Synthesis and characterization

TL;DR: The structural evolution of NiTiO3 phase was accompanied by X-ray diffraction and Fourier transform Raman spectroscopy by scanning electron microscopy was revealed the agglomerated nature of very fine particles.
Journal ArticleDOI

High-Performance Oxygen-Permeable Membranes with an Asymmetric Structure Using Ba0.95La0.05FeO3−δ Perovskite-Type Oxide

TL;DR: This paper aims to demonstrate the efforts towards in-situ applicability of EMMARM, which aims to provide real-time information about concrete mechanical properties such as E-modulus and compressive strength.
Journal ArticleDOI

Polyacrylamide gel: an efficient tool for easy synthesis of multicomponent oxide precursors of ceramics and glasses

TL;DR: In this article, the steric entrapment effect of polyacrylamide gel is used for aqueous chemical processes, and the same concept may be used for other organic gels in organic media.
References
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Journal ArticleDOI

Production of strontium-substituted lanthanum manganite perovskite powder by the amorphous citrate process

TL;DR: In this paper, the surface area and residual carbon content of the strontium-substituted LaMnO3 have been determined as a function of the decomposition/oxidation temperature.
Journal ArticleDOI

Oxydes mixtes ou en solution solide sous forme très divisée obtenus par décomposition thermique de précurseurs amorphes

TL;DR: In this article, the results of a comparison of precurseurs amorphes with pyrolyse a Pair sous forme tres divisee, are presented, with respect to phase, taille des particules, surface specifique.
Journal ArticleDOI

Production of Conducting Oxide Powders by Amorphous Citrate Process

D. J. Anderton, +1 more
- 01 Jan 1979 - 
TL;DR: The amorphous citrate process has been used to produce Co3O4, CoO, Cr2O3, LaCoO3 and LaCrO3 as discussed by the authors.
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