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Issue 42, 2016
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Relation between oxygen stoichiometry and thermodynamic properties and the electronic structure of nonstoichiometric perovskite La0.6Sr0.4CoO3−δ

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Abstract

Continuous phase diagram 3 − δ − log pO2T of the nonstoichiometric perovskite La0.6Sr0.4CoO3−δ was obtained in a gas flow reactor by means of the quasi-equilibrium oxygen release technique. The thermodynamic properties of oxides were determined as a function of oxygen nonstoichiometry. Within the framework of the itinerant electron model, the dependence of the oxide nonstoichiometry on the oxygen activity was related to the density of electronic states near the Fermi level.

Graphical abstract: Relation between oxygen stoichiometry and thermodynamic properties and the electronic structure of nonstoichiometric perovskite La0.6Sr0.4CoO3−δ

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Publication details

The article was received on 05 Aug 2016, accepted on 05 Oct 2016, published on 17 Oct 2016 and first published online on 17 Oct 2016


Article type: Paper
DOI: 10.1039/C6CP05435H
Citation: Phys. Chem. Chem. Phys., 2016,18, 29543-29548
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    Relation between oxygen stoichiometry and thermodynamic properties and the electronic structure of nonstoichiometric perovskite La0.6Sr0.4CoO3−δ

    S. F. Bychkov, A. G. Sokolov, M. P. Popov and A. P. Nemudry, Phys. Chem. Chem. Phys., 2016, 18, 29543
    DOI: 10.1039/C6CP05435H

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