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Please use this identifier to cite or link to this item: http://eprint.iitd.ac.in/handle/2074/1109

Title: Electrical and magnetic properties of Mn–Ni–Zn ferrites processed by citrate precursor method
Authors: Singh, Amarendra K
Verma, A
Thakur, O P
Prakash, Chandra
Goel, T C
Mendiratta, R G
Keywords: Ferrites
Citrate precursor method
Resistivity
Dielectric constant
Hysteresis
Issue Date: 2002
Citation: Materials Letters, 57(5-6), 1040-1044
Abstract: MnxNi0.5−xZn0.5Fe2O4, (x=0.05, 0.1, 0.2, 0.3, 0.4) ferrites synthesized by the citrate precursor method are investigated in the present work. Compositional variation of AC resistivity is studied and values up to 103 times greater than those for samples prepared by the conventional ceramic method are observed. It is found that resistivity decreases with increase in Mn concentration except for x=0.3, where it shows a rise. Frequency variations of both dielectric constant and relative loss factor (rlf) are reported in the present work. It is observed that dispersion in dielectric constant is greatly influenced by the Mn concentration. Possible mechanisms contributing to these properties are discussed. Hysteresis properties are also reported.
URI: http://eprint.iitd.ac.in/dspace/handle/2074/1109
Appears in Collections:Physics

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