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Investigation of phase equilibria and thermodynamic properties in molybdenum-doped lanthanum–strontium cobaltite system using the quasi-equilibrium oxygen release method. / Gongola, M. I.; Vlasov, S. A.; Popov, M. P. et al.

In: Journal of Solid State Chemistry, Vol. 362, 126142, 10.2026.

Research output: Contribution to journal › Article › peer-review

Harvard

Gongola, MI, Vlasov, SA, Popov, MP, Chizhik, SA & Nemudry, AP 2026, 'Investigation of phase equilibria and thermodynamic properties in molybdenum-doped lanthanum–strontium cobaltite system using the quasi-equilibrium oxygen release method', Journal of Solid State Chemistry, vol. 362, 126142. https://doi.org/10.1016/j.jssc.2026.126142

APA

Gongola, M. I., Vlasov, S. A., Popov, M. P., Chizhik, S. A., & Nemudry, A. P. (2026). Investigation of phase equilibria and thermodynamic properties in molybdenum-doped lanthanum–strontium cobaltite system using the quasi-equilibrium oxygen release method. Journal of Solid State Chemistry, 362, [126142]. https://doi.org/10.1016/j.jssc.2026.126142

Vancouver

Gongola MI, Vlasov SA, Popov MP, Chizhik SA, Nemudry AP. Investigation of phase equilibria and thermodynamic properties in molybdenum-doped lanthanum–strontium cobaltite system using the quasi-equilibrium oxygen release method. Journal of Solid State Chemistry. 2026 Oct;362:126142. doi: 10.1016/j.jssc.2026.126142

Author

Gongola, M. I. ; Vlasov, S. A. ; Popov, M. P. et al. / Investigation of phase equilibria and thermodynamic properties in molybdenum-doped lanthanum–strontium cobaltite system using the quasi-equilibrium oxygen release method. In: Journal of Solid State Chemistry. 2026 ; Vol. 362.

BibTeX

@article{a90d8feeb4cf49be91fb821359d50c79,
title = "Investigation of phase equilibria and thermodynamic properties in molybdenum-doped lanthanum–strontium cobaltite system using the quasi-equilibrium oxygen release method",
abstract = "A series of continuous equilibrium phase diagrams “lg pO2 vs. (3−δ) vs. T″ for La0.6Sr0.4Co1−xMoxO3−δ (x = 0, 0.02, 0.05, 0.10, 0.12) has been obtained by the quasi-equilibrium oxygen release (QEOR) method. The diagrams reveal a consistent two-phase “P1–P2” transition region across all compositions, with the transition point corresponding to an oxygen chemical potential of −310 kJ/mol. Thermodynamic parameters—partial molar enthalpies and entropies of oxygen—were derived as functions of non-stoichiometry. The data indicate that molybdenum doping reduces the overall oxygen non-stoichiometry range, and systematically increases the dependence of thermodynamic parameters on δ. This dataset provides a reference for thermodynamic modeling and materials selection in the development of doped perovskite systems for solid oxide fuel cell applications.",
keywords = "Lanthanum strontium cobaltite, MIEC oxide, Perovskite, Phase diagram, Quasi-equilibrium oxygen release, Thermodynamic properties",
author = "Gongola, {M. I.} and Vlasov, {S. A.} and Popov, {M. P.} and Chizhik, {S. A.} and Nemudry, {A. P.}",
note = "The study was supported by Russian Science Foundation (Project N◦ 21-79-30051, https://rscf.ru/en/project/21-79-30051/).",
year = "2026",
month = oct,
doi = "10.1016/j.jssc.2026.126142",
language = "English",
volume = "362",
journal = "Journal of Solid State Chemistry",
issn = "0022-4596",
publisher = "Elsevier Science Publishing Company, Inc.",

}

RIS

TY - JOUR

T1 - Investigation of phase equilibria and thermodynamic properties in molybdenum-doped lanthanum–strontium cobaltite system using the quasi-equilibrium oxygen release method

AU - Gongola, M. I.

AU - Vlasov, S. A.

AU - Popov, M. P.

AU - Chizhik, S. A.

AU - Nemudry, A. P.

N1 - The study was supported by Russian Science Foundation (Project N◦ 21-79-30051, https://rscf.ru/en/project/21-79-30051/).

PY - 2026/10

Y1 - 2026/10

N2 - A series of continuous equilibrium phase diagrams “lg pO2 vs. (3−δ) vs. T″ for La0.6Sr0.4Co1−xMoxO3−δ (x = 0, 0.02, 0.05, 0.10, 0.12) has been obtained by the quasi-equilibrium oxygen release (QEOR) method. The diagrams reveal a consistent two-phase “P1–P2” transition region across all compositions, with the transition point corresponding to an oxygen chemical potential of −310 kJ/mol. Thermodynamic parameters—partial molar enthalpies and entropies of oxygen—were derived as functions of non-stoichiometry. The data indicate that molybdenum doping reduces the overall oxygen non-stoichiometry range, and systematically increases the dependence of thermodynamic parameters on δ. This dataset provides a reference for thermodynamic modeling and materials selection in the development of doped perovskite systems for solid oxide fuel cell applications.

AB - A series of continuous equilibrium phase diagrams “lg pO2 vs. (3−δ) vs. T″ for La0.6Sr0.4Co1−xMoxO3−δ (x = 0, 0.02, 0.05, 0.10, 0.12) has been obtained by the quasi-equilibrium oxygen release (QEOR) method. The diagrams reveal a consistent two-phase “P1–P2” transition region across all compositions, with the transition point corresponding to an oxygen chemical potential of −310 kJ/mol. Thermodynamic parameters—partial molar enthalpies and entropies of oxygen—were derived as functions of non-stoichiometry. The data indicate that molybdenum doping reduces the overall oxygen non-stoichiometry range, and systematically increases the dependence of thermodynamic parameters on δ. This dataset provides a reference for thermodynamic modeling and materials selection in the development of doped perovskite systems for solid oxide fuel cell applications.

KW - Lanthanum strontium cobaltite

KW - MIEC oxide

KW - Perovskite

KW - Phase diagram

KW - Quasi-equilibrium oxygen release

KW - Thermodynamic properties

UR - https://www.scopus.com/pages/publications/105041053892

UR - https://www.mendeley.com/catalogue/25066466-0983-3944-898e-01e40865e68b/

U2 - 10.1016/j.jssc.2026.126142

DO - 10.1016/j.jssc.2026.126142

M3 - Article

VL - 362

JO - Journal of Solid State Chemistry

JF - Journal of Solid State Chemistry

SN - 0022-4596

M1 - 126142

ER -

ID: 79931275