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Hybrid processing and properties of Ni0.8Zn0.2Fe2O4/Ba0.6Sr0.4TiO3 magnetodielectric composites

Published online by Cambridge University Press:  31 January 2011

Haibo Yang ,
Hong Wang ,
Li Shui  and
Li He
Haibo Yang
Affiliation:
Electronic Materials Research Laboratory, Key Laboratory of Ministry of Education, Xi'an Jiaotong University, Xi'an 710049, China; and School of Materials Science and Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
Li He
Affiliation:
Electronic Materials Research Laboratory, Key Laboratory of Ministry of Education, Xi'an Jiaotong University, Xi'an 710049, China
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Abstract

Ni0.8Zn0.2Fe2O4/Ba0.6Sr0.4TiO3 (NZO/BST) composites with high permittivity and low loss were synthesized via the hybrid processing route. The composites possess very dense and homogenous microstructure. The NZO/BST composites show good dielectric properties and magnetic properties with low loss in high frequency range. This indicates that this kind of magnetodielectric composites can be used in high-frequency communications for the capacitor-inductor integrating devices such as electromagnetic interference filters and antennas. The permittivities of the composites were also fitted using the combination of Maxwell–Wagner polarization and modified Curie–Weiss law.

Keywords

CompositeDielectric propertiesMagnetic properties
Type
Articles
Information
Journal of Materials Research , Volume 25 , Issue 9 , September 2010 , pp. 1803 - 1811
Copyright
Copyright © Materials Research Society 2010

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