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La1.8Sr0.2Ni0.8M0.2O4 (M = Fe, Co, or Cu) Complex Oxides: Synthesis, Structural Characterization, and Dielectric Properties


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Abstract

New solid solutions La1.8Sr0.2Ni0.8M0.2O4 (M = Fe, Co, or Cu) have been prepared, and their crystal- chemical characteristics and electric properties studied. The studied materials have been shown to have activation-time conductivity. Structural distortions have been found to affect the dielectric properties of ceramic samples. La1.8Sr0.2Ni0.8M0.2O4 is observed to have the greatest distortion of АО9 coordination polyhedra and a higher dielectric constant.

About the authors

T. I. Chupakhina

Institute of Solid-State Chemistry, Ural Branch

Author for correspondence.
Email: Chupakhina@yandex.ru
Russian Federation, Yekaterinburg, 620119

N. V. Mel’nikova

Ural Federal University Named after Eltsin

Email: Chupakhina@yandex.ru
Russian Federation, Yekaterinburg, 620002

E. A. Yakovleva

Ural Federal University Named after Eltsin

Email: Chupakhina@yandex.ru
Russian Federation, Yekaterinburg, 620002

Yu. A. Nikitina

Institute of Solid-State Chemistry, Ural Branch; Ural Federal University Named after Eltsin

Email: Chupakhina@yandex.ru
Russian Federation, Yekaterinburg, 620119; Yekaterinburg, 620002

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