Phase diagram and electrical properties, defect concentration in oxides and sulphides of 3d metals

The analysis of the equilibrium pressure function of oxide and sulphide of 3d metals and their phases was carried out in order to determine the correlation between them and their properties. The extent of the chemical potential changes of the oxidant in the phase stability range was determined and t...

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Bibliographic Details
Published in:Solid state ionics 1996-10, Vol.91 (3-4), p.315-322
Main Authors: Stokłosa, Andrzej, Zajęcki, Janusz
Format: Article
Language:English
Subjects:
3d metal oxides
3d metal sulphides
Defect concentration
Phase diagram
Thermodynamics
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Summary:The analysis of the equilibrium pressure function of oxide and sulphide of 3d metals and their phases was carried out in order to determine the correlation between them and their properties. The extent of the chemical potential changes of the oxidant in the phase stability range was determined and these changes were correlated with the deviations from stoichiometry and electrical properties of the metal oxides and sulphides. It was shown that the changes in the chemical potential of the oxidant in the phase stability range for the compounds exhibiting semiconducting properties could be quantitatively correlated with the changes in the Fermi level which might provide new information on the changes in electronic structure.
ISSN:0167-2738
1872-7689
DOI:10.1016/S0167-2738(96)83036-0