Preparation of Nanosized α-Fe2O3 Using Mechanical Activation
- Авторы: Kalinkin A.1, Kuz’mich Y.1, Zalkind O.1, Nevedomskii V.2
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Учреждения:
- Tananaev Institute of Chemistry
- Ioffe Institute
- Выпуск: Том 89, № 12 (2019)
- Страницы: 2453-2457
- Раздел: Article
- URL: https://journals.rcsi.science/1070-3632/article/view/223211
- DOI: https://doi.org/10.1134/S107036321912020X
- ID: 223211
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Аннотация
The processes occurring during the mechanical activation of a-Fe2O3 (hematite) in the presence of oleic acid in a centrifugal-planetary mill have been investigated. Mechanical activation for 10 h afforded hematite powder with particles size of 10–40 nm, as shown by means of X-ray diffraction analysis, FTIR spectroscopy, high-resolution transmission electron microscopy, and specific surface area measurements. Longer milling has led to mechanochemical transformation of hematite into Fe3O4 (magnetite).
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Об авторах
A. Kalinkin
Tananaev Institute of Chemistry
Автор, ответственный за переписку.
Email: kalinkin@chemy.kolasc.net.ru
Россия, Apatity, 184209
Yu. Kuz’mich
Tananaev Institute of Chemistry
Email: kalinkin@chemy.kolasc.net.ru
Россия, Apatity, 184209
O. Zalkind
Tananaev Institute of Chemistry
Email: kalinkin@chemy.kolasc.net.ru
Россия, Apatity, 184209
V. Nevedomskii
Ioffe Institute
Email: kalinkin@chemy.kolasc.net.ru
Россия, St. Petersburg, 194021