Сибирский федеральный университет

Тип публикации: статья из журнала

Год издания: 2020

Идентификатор DOI: 10.1016/j.jeurceramsoc.2020.06.066

Ключевые слова: substituted rare-earth cobalt oxides, thermoelectric oxide materials, ordered and disordered states, phase transition

Аннотация: By the example of the Dy0.2Sr0.8CoO3-delta compound undergoing an order-disorder phase transition with increasing temperature, we demonstrate a significant dependence of the kinetic properties on the morphology of the internal spatially inhomogeneous structure, which forms in the sample depending on the rate of its transition from the high-temperature disordered cubic phase to the ground tetragonal ordered phase upon cooling. The results of transmission electron microscopy visualization of the spatially inhomogeneous state in the Dy0.2Sr0.8CoO3-delta ceramic samples are presented and compared with the X-ray diffraction data.

Журнал: JOURNAL OF THE EUROPEAN CERAMIC SOCIETY

Выпуск журнала: Vol. 40, Is. 15

Номера страниц: 5559-5565

ISSN журнала: 09552219

Место издания: OXFORD

Издатель: ELSEVIER SCI LTD

• Orlov Yu. S. (RAS, Fed Res Ctr KSC SB, Kirensky Inst Phys, Krasnoyarsk 660036, Russia; Siberian Fed Univ, Krasnoyarsk 660041, Russia)
• Dudnikov V.A. (RAS, Fed Res Ctr KSC SB, Kirensky Inst Phys, Krasnoyarsk 660036, Russia)
• Vereshchagin S.N. (RAS, Fed Res Ctr KSC SB, Inst Chem & Chem Technol, Krasnoyarsk 660036, Russia)
• Volochaev M.N. (RAS, Fed Res Ctr KSC SB, Kirensky Inst Phys, Krasnoyarsk 660036, Russia)
• Gavrilkin S.Yu. (Lebedev Phys Inst, Moscow 119991, Russia)
• Tsvetkov A.Yu. (Lebedev Phys Inst, Moscow 119991, Russia)

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