Verma, Vivek and Gairola, S. P. and Pandey, Vibhav and Tawale, J. S. and Su, Hua and Kotanala, R. K. (2009) High permeability and low power loss of Ti and Zn substitution lithium ferrite in high frequency range. Journal of Magnetism and Magnetic Materials, 321 (22). pp. 3808-3812. ISSN 0304-8853

PDF - Published Version Restricted to Registered users only Download (457Kb) | Request a copy

Abstract

The effect of Zn and Ti on the magnetic, power loss and structural properties of Li0.5ZnxTixMn0.05Fe2.45−2xO4 ferrites (x=0.0 to 0.30 in step of 0.05)+0.5 wt% Bi2O3, prepared by standard ceramic technique, has been investigated. Complex permeability (μ*=μ′−jμ″) has been analyzed at room temperature in frequency range from 1 to 103 MHz. It was found an enhancement in permeability with Ti and Zn concentration in Li0.5ZnxTixMn0.05Fe2.45−2xO4 and exhibits the maximum value 106 for x=0.20 sample. Complex permeability of these ferrites exhibits stable frequency response up to 7 MHz beyond which the real part decreases sharply and imaginary part increases to have a peak at the relaxation frequency. Power loss measurements have been carried out in induction condition (B=10 mT) in frequency range of 50 kHz to 3 MHz. Power loss has been found to be quite low with the substitution of Ti and Zn in lithium ferrite.

Item Type:	Article
Additional Information:	Copyright for this article belongs to M/s Elsevier B.V.
Uncontrolled Keywords:	Magnetic; Structural; Ferrite; Complex permeability; Relaxation
Subjects:	Materials Science Physics
Divisions:	UNSPECIFIED
Depositing User:	Ms Neetu Chandra
Date Deposited:	03 Sep 2012 07:20
Last Modified:	03 Sep 2012 07:20
URI:	http://npl.csircentral.net/id/eprint/522

Actions (login required)

View Item