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Please use this identifier to cite or link to this item: http://hdl.handle.net/2080/565

Title: Magnetic Nanocomposite Material
Authors: Nayak, B B
Bahadur, D
Vitta, Satish
Keywords: Magnetic nanocomposite
Colossal magnetoresistance
Chemical reduction
Electrical transport
Issue Date: 2006
Publisher: IIT Bombay
Citation: Magnetic Nanocomposite Material, Doctoral Thesis Submitted to IIT Bombay
Abstract: The present work deals with synthesis of composite materials consisting of magnetic nanoparticles dispersed in a magnetic or nonmagnetic insulating matrix and a study of their transport and magnetic properties. Two types of composites: ceramic–ceramic and metal– ceramic have been synthesized using three different techniques, microwave refluxing, glassceramic and aqueous reduction. These techniques promote formation of composites at the nano level, which is one of the primary aims of this thesis. These techniques are highly versatile and can be used for the synthesis of a wide variety of materials. Moreover, synthesis of nanocomposites using these techniques has not been investigated in detail earlier and this forms the objective in using these techniques. In ceramic–ceramic system, the main magnetic material is manganite with a perovskite type structure. The manganites are of interest because they exhibit colossal magnetoresistance (CMR) behavior and enhancing the magnitude ...
Description: Copyright for the thesis belongs to IIT Bombay
URI: http://hdl.handle.net/2080/565
Appears in Collections:Thesis (Doctor of Philosophy)

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