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Impedance spectroscopy study on Mn1+xFe2-2xTixO4 (0 <= x <= 0.5) ferrites
- Authors
- Kumar, S.; Batoo, K. M.; Prakash, R.; Choi, H. K.; Koo, B. H.; Song, J., I; Chung, H.; Jeong, H.; Lee, C. G.
- Issue Date
- Dec-2010
- Publisher
- JOURNAL OF CENTRAL SOUTH UNIV TECHNOLOGY
- Keywords
- spinel ferrite; magnetic properties; impedance spectroscopy; Ti4+ ions; doping
- Citation
- JOURNAL OF CENTRAL SOUTH UNIVERSITY OF TECHNOLOGY, v.17, no.6, pp 1133 - 1138
- Pages
- 6
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF CENTRAL SOUTH UNIVERSITY OF TECHNOLOGY
- Volume
- 17
- Number
- 6
- Start Page
- 1133
- End Page
- 1138
- ISSN
- 1005-9784
- Abstract
- The complex impedance spectroscopy and surface morphology of Mn1+xFe2-2xTixO4 (0 <= x <= 0.5) system, prepared using a conventional solid state reaction technique, were investigated. The impedance spectroscopy measurements were carried out at room temperature in the frequency range of 42-5 MHz. The electrical processes in the samples were modeled in the form of an equivalent circuit made up of a combination of two parallel RC circuits attributed to grain and grain boundaries. The DC conductivity obtained by extrapolation of AC data using impedance spectroscopy and four-probe method increases at 10% doping of Ti ions. The energy-dispersive X-ray (EDX) pattern confirmed the homogeneous mixing of the Mn, Fe, Ti and O atoms in pure and doped ferrite samples.
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