Abstract
Nanopowders of tysonite solid solutions La1 − xBaxF3 − x (х = 0–0.07) are synthesized for the first time through the thermal decomposition of lanthanum and barium trifluoroacetates. Samples are characterized via electron microscopy, X-ray phase analysis, and impedance spectroscopy. Nanoparticles are found to be crystalline and have characteristic sizes of 20–75 nm. The ionic conductivity of solid solutions up to 300°C is determined by surface phenomena at the particle boundaries.
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ACKNOWLEDGMENTS
The work was performed using equipment of the shared resource centers of the Federal Research Center “Crystallography and Photonics” of the Russian Academy of Sciences and Russian Technological University MIREA.
Funding
This work was supported by the RF Ministry of Science and Higher Education as part of a State Task for the Federal Research Center “Crystallography and Photonics” of the Russian Academy of Sciences.
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Translated by E. Domoroshchina
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Zakalyukin, R.M., Levkevich, E.A., Grebenev, V.V. et al. A New Way of Preparing Nanosized Tysonite Phases. Bull. Russ. Acad. Sci. Phys. 87, 1417–1420 (2023). https://doi.org/10.3103/S1062873823703410
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DOI: https://doi.org/10.3103/S1062873823703410