Mechanochemical synthesis of nanodimensional ferrite powders from salt systems

O. G. Terekhova, V. I. Itin, A. A. Magaeva, E. P. Naiden, Yu F. Ivanov, Yu M. Maksimov, V. V. Boldyrev

Research Center for Physical Materials Science and Composite Materials

Research output: Contribution to journal › Article

Abstract

Nanodimensional spherical powders of oxide cubic ferrimagnets are obtained by mechanochemical synthesis. Their phase composition, morphology, dispersity, specific surface, and magnetic properties are determined. It is established that the synthesized ferrites are nanodimensional powders with a highly developed surface (S = 100-160 m²/g), and their magnetic characteristics substantially differ from those for bulk ferrites. As the structural element is reduced from 1000 to ~3-16 nm, ferrimagnets acquire the properties of cluster spin glass with a high blocking temperature.

Original language	English
Pages (from-to)	319-323
Number of pages	5
Journal	Russian Journal of Non-Ferrous Metals
Volume	49
Issue number	4
DOIs	https://doi.org/10.3103/S1067821208040202
Publication status	Published - 1 Dec 2008

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ASJC Scopus subject areas

Mechanics of Materials
Surfaces, Coatings and Films
Metals and Alloys

Cite this

Terekhova, O. G., Itin, V. I., Magaeva, A. A., Naiden, E. P., Ivanov, Y. F., Maksimov, Y. M., & Boldyrev, V. V. (2008). Mechanochemical synthesis of nanodimensional ferrite powders from salt systems. Russian Journal of Non-Ferrous Metals, 49(4), 319-323. https://doi.org/10.3103/S1067821208040202

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abstract = "Nanodimensional spherical powders of oxide cubic ferrimagnets are obtained by mechanochemical synthesis. Their phase composition, morphology, dispersity, specific surface, and magnetic properties are determined. It is established that the synthesized ferrites are nanodimensional powders with a highly developed surface (S = 100-160 m2/g), and their magnetic characteristics substantially differ from those for bulk ferrites. As the structural element is reduced from 1000 to ~3-16 nm, ferrimagnets acquire the properties of cluster spin glass with a high blocking temperature.",

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AU - Terekhova, O. G.

AU - Itin, V. I.

AU - Magaeva, A. A.

AU - Naiden, E. P.

AU - Ivanov, Yu F.

AU - Maksimov, Yu M.

AU - Boldyrev, V. V.

PY - 2008/12/1

Y1 - 2008/12/1

N2 - Nanodimensional spherical powders of oxide cubic ferrimagnets are obtained by mechanochemical synthesis. Their phase composition, morphology, dispersity, specific surface, and magnetic properties are determined. It is established that the synthesized ferrites are nanodimensional powders with a highly developed surface (S = 100-160 m2/g), and their magnetic characteristics substantially differ from those for bulk ferrites. As the structural element is reduced from 1000 to ~3-16 nm, ferrimagnets acquire the properties of cluster spin glass with a high blocking temperature.

AB - Nanodimensional spherical powders of oxide cubic ferrimagnets are obtained by mechanochemical synthesis. Their phase composition, morphology, dispersity, specific surface, and magnetic properties are determined. It is established that the synthesized ferrites are nanodimensional powders with a highly developed surface (S = 100-160 m2/g), and their magnetic characteristics substantially differ from those for bulk ferrites. As the structural element is reduced from 1000 to ~3-16 nm, ferrimagnets acquire the properties of cluster spin glass with a high blocking temperature.

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10.3103/S1067821208040202