Abstract
Mg-substituted ferrite Li0.5Mg x Fe1.25−(2/3)x Cr1.25O4 (0 ≤ x ≤ 0.3) was studied using X-ray diffraction, Mössbauer spectroscopy and magnetic measurements. X-ray diffraction patterns show that all samples have cubic spinel structure. The temperature-dependent magnetic measurements revealed that the compensation point T K of Li0.5Fe1.25Cr1.25O4 starts to approach the Neel temperature T N as Mg2+ substitution of Fe3+ increases, until the compensation disappears at x = 0.3. This effect is investigated in relation to the cation distribution established using the Mössbauer study of this system.
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Rais, A., Yousif, A.A., Gismelseed, A., Elzain, M.E., al Rawas, A., Al-Omari, I.A. (2004). Effect of Mg2+ on the Magnetic Compensation of Lithium-Chromium Ferrite. In: Elzain, M.E., Yousif, A.A., al Rawas, A.D., Gismelseed, A.M. (eds) ICAME 2003. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-2852-6_35
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DOI: https://doi.org/10.1007/978-1-4020-2852-6_35
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