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Please use this identifier to cite or link to this item: http://purl.org/purl/4393

Title: On the dielectric dispersion and absorption in nanosized manganese zinc mixed ferrites
Authors: Anantharaman, M R
Veena Gopalan, E
Sakthi Kumar, D
Yasuhiko, Yoshida
Al-Omari, I A
Saravanan, S
Issue Date: 13-Mar-2009
Publisher: IOP Publishing LTD
Abstract: The temperature and frequency dependence of dielectric permittivity and dielectric loss of nanosized Mn1−xZnxFe2O4 (for x = 0, 0.2, 0.4, 0.6, 0.8, 1) were investigated. The impact of zinc substitution on the dielectric properties of the mixed ferrite is elucidated. Strong dielectric dispersion and broad relaxation were exhibited by Mn1−xZnxFe2O4. The variation of dielectric relaxation time with temperature suggests the involvement of multiple relaxation processes. Cole–Cole plots were employed as an effective tool for studying the observed phenomenon. The activation energies were calculated from relaxation peaks and Cole–Cole plots and found to be consistent with each other and indicative of a polaron conduction
Description: J. Phys.: Condens. Matter 21 (2009) 146006 (12pp)
URI: http://dyuthi.cusat.ac.in/purl/4393
Appears in Collections:Dr. M R Anantharaman

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