The correlation of lattice constant with superexchange interaction in Bi-YIG fabricated by mechanochemical processing

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Niyaifar, M. and Ramani, . and Radhakrishna, M.C. and Hassnpour, A. and Mozaffari, M. and Amighian, J. (2008) The correlation of lattice constant with superexchange interaction in Bi-YIG fabricated by mechanochemical processing. Hyperfine Interactions, 184 (1-3). pp. 161-166. ISSN 978-3-540-78697-9

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Official URL: https://doi.org/10.1007/978-3-540-78697-9_77

Abstract

Magnetic and structural properties of Bi substituted YIG with nominal formula of Bi x Y3 − x Fe5O12 (x = 0.0, 0.25, 0.5, 0.75, 1.00) prepared via Mechanochemical Processing (MCP) have been studied with Mossbauer spectroscopy, X-ray diffraction (XRD). The temperature dependence of sublattice magnetic hyperfine field for samples is analyzed. The a–d intersublattice superexchange found to be antiferromagnetic and increases from − 21.97 to − 25.79 kB as Bi increases from 0.0 to 0.25. The a–a and d–d intrasublattice exchanges for sample x = 0.0 are 13.18 and 10.55 kB respectively while for sample x = 0.25 a–a and d–d intrasublattice exchanges are 7.7 and 8.9 kB respectively. The correlation of lattice constant and superexchange interaction are discussed.

Item Type: Article
Additional Information: cited By 4
Subjects: Faculty of Science > Pure Sciences > Physics
Divisions: Jnana Bharathi / Central College Campus > Department of Physics
Depositing User: Mr. Kirana Kumar D
Date Deposited: 05 Mar 2016 09:38
Last Modified: 05 Mar 2016 09:38
URI: http://eprints-bangaloreuniversity.in/id/eprint/1794

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