A novel method for the preparation of nanosized tysonite phases

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Resumo

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.

Sobre autores

R. Zakalyukin

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

Autor responsável pela correspondência
Email: ruslan@crys.ras.ru
Russia, 119333, Moscow; Russia, 119454, Moscow

E. 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. 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. Glazunova

Moscow State University, Faculty of Chemistry

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

М. Buzoverov

Moscow State University, Faculty of Chemistry

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

A. 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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Declaração de direitos autorais © Р.М. Закалюкин, Е.А. Левкевич, В.В. Гребенев, Т.Ю. Глазунова, М.Е. Бузоверов, А.С. Кумсков, 2023

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