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Published in: Journal of Sol-Gel Science and Technology 1/2024

31-10-2023 | Original Paper

Effect of Ni2+and Co2+ substitution on the characteristics of the strontium aluminum hexaferrite (SrAl2Fe10O19)

Authors: Himani Joshi, A. Ruban Kumar

Published in: Journal of Sol-Gel Science and Technology | Issue 1/2024

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Abstract

The nickel and cobalt substituted strontium aluminum hexaferrite Sr1-xNixAl2Fe10O19/Sr1-xCoxAl2Fe10O19 (x = 0.1, 0.2) were synthesized via the sol-gel auto-combustion technique using glycine fuel. The particles formed in the hexagonal crystal structure with space group P63/mmc. The crystallite size of the sample varied in the range of 49–58 nm. The field-emission scanning microscopy was adopted for morphological analysis, and the images revealed the plate-like formation of the particles. X-ray photoelectron spectroscopy confirmed the presence and oxidation states of all the elements. The variation of magnetic parameters as magnetic saturation (33.96–41.54 emu/gm), coercivity (3681–7647 Oe), squareness ratio (0.6), and energy product values (0.23–0.40 MGOe) were studied through vibrating sample magnetometer. The electric studies disclosed the presence of relaxations in the system, which was interpreted through Koop and Maxwell-Wagner’s model. The synthesized samples are potential candidates for permanent magnet and magnetic recording media applications owing their remarkable magnetic properties.

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Metadata
Title
Effect of Ni2+and Co2+ substitution on the characteristics of the strontium aluminum hexaferrite (SrAl2Fe10O19)
Authors
Himani Joshi
A. Ruban Kumar
Publication date
31-10-2023
Publisher
Springer US
Published in
Journal of Sol-Gel Science and Technology / Issue 1/2024
Print ISSN: 0928-0707
Electronic ISSN: 1573-4846
DOI
https://doi.org/10.1007/s10971-023-06245-0

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