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TITLE: Magnetic Hysteresis and Complex Initial Permeability of Cr<sup>3+</sup> Substituted Mn-Zn Ferrites
AUTHORS: F. Alam, M. L. Rahman, M. H. R. Khan, A. K. M. Akther Hossain
KEYWORDS: Mn-Zn Ferrites, Initial Permeability, Saturation Magnetization, Hysteresis Loss
JOURNAL NAME: Journal of Modern Physics DOI: 10.4236/jmp.2014.514122 Sep 06, 2014
ABSTRACT: The impact of Cr3+ ion on the magnetic properties of Mn0.50Zn0.50CrxFe2-xO4 (with x = 0.0, 0.1, 0.2, 0.3, 0.4 and 0.5) has been studied. Ferrite samples were synthesized by combustion method and sintered at various temperatures (1250°C, 1300°C and 1350°C). The structural properties were investigated by means of X-ray diffraction patterns and indicated that the samples possess single phase cubic spinel structure. The lattice parameter decreases with the increase in Cr3+ content, as the ionic radius of Cr3+ ion is smaller than that of Fe3+. The average grain size (D), bulk density (ρB) and initial permeability （μi’ ）decreases with increase