INVESTIGATION OF THE INFLUENCE OF RARE-EARTH METAL IMPURITIES ON THE CONDUCTIVITY OF LITHIUM-IRON SPINEL
DOI:
https://doi.org/10.30890/2709-1783.2025-37-00-014Ключові слова:
impedance spectroscopy, spinel, activation energy, hopping mechanism of conductivity, rare earth elementsАнотація
The temperature-frequency dependences of the electrical characteristics of Li2Fe2,5-xMexO4 (Ме=La;Y, x=0;0.01;0.03;0.05) spinels synthesized by the «sol-gel» auto-combustion technology were obtained by the method of impedance spectroscopy in the temПосилання
I.M. Gasyuk, I.M. Budzulyak, S.A. Galiguzova, V.V. Uhorchuk, L.S. Kaikan, Cathode materials of lithium current sources based on Li0,5Fe2,5O4, Nanosystems, Nanomaterials, Nanotechnologies, 4(3), 613 (2006).
G.V. Sokolskyi, N.D. Ivanova, S.V. Ivanov, E.I. Boldyrev, Electrochemical doping as a method of directed synthesis of electrode materials for chemical current sources, Bulletin of Kharkiv National University, 12(648), 61 (2005).
M.N. Akhtar, M.A. Khan, Effect of rare earth doping on the structuraland magnetic featuresof nanocrystalline spinel ferrites prepared via sol gel route, Journal of Magnetism and Magnetic Materials (2018),
doi: https://doi.org/10.1016/j.jmmm.2018.03.069
M. Yousaf, M.N. Akhtar, B. Wang, A. Noor, Preparations, optical, structural,conductive and magnetic evaluations of RE's (Pr, Y, Gd, Ho, Yb) doped spinel nanoferrites, Ceramics International (2019),
doi: https://doi.org/10.1016/j.ceramint.2019.10.149.
Majid Niaz Akhtar, Muhammad Yousaf , Yuzheng Lu, Muhammad Azhar Khan, Ali Sarosh, Mina Arshad, Misbah Niamat, Muhammad Farhan, Ayyaz Ahmad, Muhammad Umar Khallidoon, Physical, structural, conductive and magneto-optical properties of rare earths (Yb, Gd) doped Ni–Zn spinel nanoferrites for data and energy storage devices, Ceramics International 47, 11878 (2021).
Yu. M. Poplavko, O. V. Borisov, I. P. Golubeva, Yu. V. Didenko; in general ed. Acad. National Academy of Sciences of Ukraine Yu. I. Yakymenko, Magnetics in electronics ( NTUU "KPI", Kyiv, 2014).
A.V. Vakalyuk, I.M. Gasiuk, V.M. Vakalyuk, The temperature dependence investigation of the frequency dispersion of the electrical properties of lithium-iron spinel doped with La, Y, Physics and chemistry of solid state 25(1), 148 (2024).
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