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Вид документа : Статья из журнала Шифр издания :
Автор(ы) : Dudnikov V. A., Orlov Yu. S., Solovyov, Leonid A., Vereshchagin, Sergey N., Gavrilkin, Sergey Yu., Tsvetkov, Alexey Yu., Velikanov D. A., Gorev M. V., Novikov, Sergey V., Ovchinnikov S. G.
Заглавие : Effect of multiplicity fluctuation in cobalt ions on crystal structure, magnetic and electrical properties of NdCoO3 and SmCoO3
Коллективы :
Russian Science FoundationRussian Science Foundation (RSF) [18-02-00022]
Место публикации : Molecules. - 2020. - Vol. 25, Is. 6. - Ст.1301. - ISSN 1420-3049(eISSN), DOI 10.3390/molecules25061301 Примечания : Cited References: 56. - This work is supported by the Russian Science Foundation grant 18-02-00022.
Предметные рубрики: SPIN-STATE TRANSITIONS CO3+ ION CONDUCTIVITY TEMPERATURE BEHAVIOR Аннотация: The structural, magnetic, electrical, and dilatation properties of the rare-earth NdCoO3 and SmCoO3 cobaltites were investigated. Their comparative analysis was carried out and the effect of multiplicity fluctuations on physical properties of the studied cobaltites was considered. Correlations between the spin state change of cobalt ions and the temperature dependence anomalies of the lattice parameters, magnetic susceptibility, volume thermal expansion coefficient, and electrical resistance have been revealed. A comparison of the results with well-studied GdCoO3 allows one to single out both the general tendencies inherent in all rare-earth cobaltites taking into account the lanthanide contraction and peculiar properties of the samples containing Nd and Sm.
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