Jain, Richa and Luthra, Vandna and Arora, Manju and Gokhale, Shubha (2019) Infrared Spectroscopic Study of Magnetic Behavior of Dysprosium Doped Magnetite Nanoparticles. Journal of Superconductivity and Novel Magnetism, 32 (2). 325-333. ISSN 1557-1939

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Abstract

Dysprosium doped magnetite (Fe3-xDyxO4 with x =0.0-0.1) nanoparticles have been synthesized using the co-precipitation method. Magnetic characterization using vibrating sample magnetometer (VSM) has revealed an enhancement in the saturation magnetization with Dy3+ doping. The occupancy of the dopant ions in magnetite lattice has been probed using Fourier transform infrared spectroscopy (FTIR). The shifting of (2) (Fe-O) band at 452 cm(-1) for undoped samples to 443 cm(-1) for dysprosium-doped samples is indicative of occupancy of dysprosium at the octahedral site. X-ray diffraction (XRD) patterns have been used to calculate the strain and lattice constant. The strain is found to increase with doping level and attained a maximum value for the x =0.03. This increase in the strain can be attributed to occupancy of large diameter Dy3+ ions at the octahedral site of spinel structure of the magnetite lattice.

Item Type:	Article
Additional Information:	Copyright for this article belongs to M/s Springer Verlag.
Subjects:	Applied Physics/Condensed Matter
Divisions:	UNSPECIFIED
Depositing User:	Mr. Yogesh Joshi
Date Deposited:	19 Aug 2026 11:22
Last Modified:	19 Aug 2026 11:22
URI:	https://npl.csircentral.net/id/eprint/4259

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