Preparation of Nanosized α-Fe2O3 Using Mechanical Activation
- Authors: Kalinkin A.M.1, Kuz’mich Y.V.1, Zalkind O.A.1, Nevedomskii V.N.2
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Affiliations:
- Tananaev Institute of Chemistry
- Ioffe Institute
- Issue: Vol 89, No 12 (2019)
- Pages: 2453-2457
- Section: Article
- URL: https://journals.rcsi.science/1070-3632/article/view/223211
- DOI: https://doi.org/10.1134/S107036321912020X
- ID: 223211
Cite item
Abstract
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).
Keywords
About the authors
A. M. Kalinkin
Tananaev Institute of Chemistry
Author for correspondence.
Email: kalinkin@chemy.kolasc.net.ru
Russian Federation, Apatity, 184209
Yu. V. Kuz’mich
Tananaev Institute of Chemistry
Email: kalinkin@chemy.kolasc.net.ru
Russian Federation, Apatity, 184209
O. A. Zalkind
Tananaev Institute of Chemistry
Email: kalinkin@chemy.kolasc.net.ru
Russian Federation, Apatity, 184209
V. N. Nevedomskii
Ioffe Institute
Email: kalinkin@chemy.kolasc.net.ru
Russian Federation, St. Petersburg, 194021
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