A novel method for the preparation of nanosized tysonite phases

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Abstract

Nanopowders of tysonite solid solutions La1 – xBaxF3 – x (х = 0–0.07) were synthesized for the first time by thermal decomposition of lanthanum and barium trifluoroacetates. The samples obtained were characterized by electron microscopy, X-ray phase analysis, and impedance spectroscopy. Nanoparticles are crystalline and have characteristic sizes of 20–75 nm. The ionic conductivity of solid solutions in the range up to 300°C is determined by surface phenomena at the particle boundaries.

About the authors

R. M. Zakalyukin

Shubnikov Institute of Crystallography of Federal Scientific Research Centre “Crystallography and Photonics”
of the Russian Academy of Sciences; MIREA – Russian Technological University

Author for correspondence.
Email: ruslan@crys.ras.ru
Russia, 119333, Moscow; Russia, 119454, Moscow

E. A. Levkevich

Shubnikov Institute of Crystallography of Federal Scientific Research Centre “Crystallography and Photonics”
of the Russian Academy of Sciences; MIREA – Russian Technological University

Email: ruslan@crys.ras.ru
Russia, 119333, Moscow; Russia, 119454, Moscow

V. V. Grebenev

Shubnikov Institute of Crystallography of Federal Scientific Research Centre “Crystallography and Photonics”
of the Russian Academy of Sciences

Email: ruslan@crys.ras.ru
Russia, 119333, Moscow

T. Yu. Glazunova

Moscow State University, Faculty of Chemistry

Email: ruslan@crys.ras.ru
Russia, 119991, Moscow

М. E. Buzoverov

Moscow State University, Faculty of Chemistry

Email: ruslan@crys.ras.ru
Russia, 119991, Moscow

A. S. Kumskov

Shubnikov Institute of Crystallography of Federal Scientific Research Centre “Crystallography and Photonics”
of the Russian Academy of Sciences

Email: ruslan@crys.ras.ru
Russia, 119333, Moscow

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Copyright (c) 2023 Р.М. Закалюкин, Е.А. Левкевич, В.В. Гребенев, Т.Ю. Глазунова, М.Е. Бузоверов, А.С. Кумсков

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