Theory of oxidation/reduction-induced valence transformations of metal ion dopants in oxide crystals mediated by oxide-vacancy diffusion: I. Thermodynamic analysis.
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| Title: | Theory of oxidation/reduction-induced valence transformations of metal ion dopants in oxide crystals mediated by oxide-vacancy diffusion: I. Thermodynamic analysis. |
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| Authors: | Sinder, M.1 micha@bgu.ac.il, Burshtein, Z.1, Pelleg, J.1 |
| Source: | Journal of Physics & Chemistry of Solids. Apr2014, Vol. 75 Issue 4, p512-517. 6p. |
| Subjects: | Chemical reduction, Valence (Chemistry), Doping agents (Chemistry), Oxides, Crystal structure, Thermodynamics |
| Abstract: | Abstract: We consider theoretically valence transformations of doping metal ions in oxide crystals induced by oxidation and reduction obtained by changes in the ambient oxygen partial pressure. Three types of oxygen vacancies are assumed to mediate transformations: neutral, singly ionized, and doubly ionized. We provide thermodynamic equilibrium analyses, yielding concentration relations among the oxygen vacancy, metal ions, holes and electrons as functions of the ambient oxygen pressure. The results suggest that experimental study of different species concentrations at thermodynamic equilibrium as functions of pressure and temperature should allow assessment of various reversible reaction constants controlling the process. In the Part II companion paper, the kinetic (diffusion) characteristics are considered in detail. [Copyright &y& Elsevier] |
| Copyright of Journal of Physics & Chemistry of Solids is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Engineering Source |
| FullText | Text: Availability: 0 |
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| Header | DbId: egs DbLabel: Engineering Source An: 94304847 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: Theory of oxidation/reduction-induced valence transformations of metal ion dopants in oxide crystals mediated by oxide-vacancy diffusion: I. Thermodynamic analysis. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Sinder%2C+M%2E%22">Sinder, M.</searchLink><relatesTo>1</relatesTo><i> micha@bgu.ac.il</i><br /><searchLink fieldCode="AR" term="%22Burshtein%2C+Z%2E%22">Burshtein, Z.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Pelleg%2C+J%2E%22">Pelleg, J.</searchLink><relatesTo>1</relatesTo> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Journal+of+Physics+%26+Chemistry+of+Solids%22">Journal of Physics & Chemistry of Solids</searchLink>. Apr2014, Vol. 75 Issue 4, p512-517. 6p. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Chemical+reduction%22">Chemical reduction</searchLink><br /><searchLink fieldCode="DE" term="%22Valence+%28Chemistry%29%22">Valence (Chemistry)</searchLink><br /><searchLink fieldCode="DE" term="%22Doping+agents+%28Chemistry%29%22">Doping agents (Chemistry)</searchLink><br /><searchLink fieldCode="DE" term="%22Oxides%22">Oxides</searchLink><br /><searchLink fieldCode="DE" term="%22Crystal+structure%22">Crystal structure</searchLink><br /><searchLink fieldCode="DE" term="%22Thermodynamics%22">Thermodynamics</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: Abstract: We consider theoretically valence transformations of doping metal ions in oxide crystals induced by oxidation and reduction obtained by changes in the ambient oxygen partial pressure. Three types of oxygen vacancies are assumed to mediate transformations: neutral, singly ionized, and doubly ionized. We provide thermodynamic equilibrium analyses, yielding concentration relations among the oxygen vacancy, metal ions, holes and electrons as functions of the ambient oxygen pressure. The results suggest that experimental study of different species concentrations at thermodynamic equilibrium as functions of pressure and temperature should allow assessment of various reversible reaction constants controlling the process. In the Part II companion paper, the kinetic (diffusion) characteristics are considered in detail. [Copyright &y& Elsevier] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Journal of Physics & Chemistry of Solids is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1016/j.jpcs.2013.12.007 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 6 StartPage: 512 Subjects: – SubjectFull: Chemical reduction Type: general – SubjectFull: Valence (Chemistry) Type: general – SubjectFull: Doping agents (Chemistry) Type: general – SubjectFull: Oxides Type: general – SubjectFull: Crystal structure Type: general – SubjectFull: Thermodynamics Type: general Titles: – TitleFull: Theory of oxidation/reduction-induced valence transformations of metal ion dopants in oxide crystals mediated by oxide-vacancy diffusion: I. Thermodynamic analysis. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Sinder, M. – PersonEntity: Name: NameFull: Burshtein, Z. – PersonEntity: Name: NameFull: Pelleg, J. IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 04 Text: Apr2014 Type: published Y: 2014 Identifiers: – Type: issn-print Value: 00223697 Numbering: – Type: volume Value: 75 – Type: issue Value: 4 Titles: – TitleFull: Journal of Physics & Chemistry of Solids Type: main |
| ResultId | 1 |
