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Journal of Material Sciences & Engineering

ISSN: 2169-0022

Open Access

The Possibility of Utilizing the Composite Ferrites as Core Material for the Fabrication of Multilayer Chip Inductors

Abstract

Varalaxmi N

This work mainly focuses on the investigation carried out on MgCuZn and NiCuZn ferrites which are widely employed for many electronic applications, they are very promising candidate for microinductor applications particularly to produce multilayer chip inductors (MLCIs) due to their excellent properties. Ferrite composites powder of Mg0.6Cu0.1Zn0.4Fe2O4 and Ni0.35Cu0.05Zn0.6Fe2O4 powder were synthesized by conventional ceramic double sintering technique. After being mixed with different volume fractions, a series of novel and dense composites with generic formula (1-X) Mg0.6Cu0.1Zn0.4Fe2O4 + (X) Ni0.35Cu0.05Zn0.6Fe2O4 were obtained in which X varies from 0.0 to 1.0. The presence of phases was confirmed by X-ray diffraction studies which confirms the formation of single phase cubic spinel structure and the grain size was estimated using SEM micrographs. In search of the suitable ferrite materials for microinductor applications, assuming that the ferrite composites would yield enhanced magnetic properties, an investigation is carried out on the composite ferrites and on the pure. To investigate the magnetic and electrical properties which studies were carried out in the temperature range 30 to 360ºC and within the frequency range 100 Hz to 1MHz. These studies revealed that these ferrites possess good electromagnetic properties and can be exploited as core material for microinductor applications.

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