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Journal of Applied Physics / Volume 111 / Issue 7 / PROCEEDINGS OF THE 56TH ANNUAL CONFERENCE ON MAGNETISM AND MAGNETIC MATERIALS / Soft Magnetic Materials

J. Appl. Phys. 111, 07A315 (2012); http://dx.doi.org/10.1063/1.3672867 (3 pages)

Development of a composite material with high magnetic permeability and low loss factor for high frequency application

Debangsu Roy and P. S. Anil Kumar

Department of Physics, Indian Institute of Science, Bangalore -12, India

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(Received 23 September 2011; accepted 28 October 2011; published online 16 February 2012)

A flexible composite suitable for MHz frequency application has been developed by combining Fe3O4 and polyvinyl alcohol (PVA). The loss factor and the permeability have been evaluated. At an optimum weight percentage of Fe3O4 in the PVA matrix, the frequency at which the loss factor gives a minimum shifts to the MHz region. The loss factor has been found to be lower by one order of magnitude at 70 MHz compared to the presently used nickel zinc ferrite. The Henkel plot and the Cole-Cole plot have been obtained for the understanding of the high magnetic permeability and the low loss factor.

© 2012 American Institute of Physics

KEYWORDS and PACS

Keywords

composite materials, iron compounds, magnetic permeability, organic compounds

PACS

  • 75.60.Ej

    Magnetization curves, hysteresis, Barkhausen and related effects

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3672867

PUBLICATION DATA

ISSN

0021-8979 (print)  
1089-7550 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
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