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Broadband Dielectric Relaxation of Polymer Composite Films

Published online by Cambridge University Press:  01 February 2011

C.K. Chiang ,
Roman Popielarz ,
Ryusuke Nozaki  and
Jan Obrzut
C.K. Chiang
Affiliation:
Polymers Division, National Institute of Standards and Technology, Gaithersburg, MD 20899–8541, U.S.A.
Roman Popielarz
Affiliation:
Polymers Division, National Institute of Standards and Technology, Gaithersburg, MD 20899–8541, U.S.A.
Ryusuke Nozaki
Affiliation:
Polymers Division, National Institute of Standards and Technology, Gaithersburg, MD 20899–8541, U.S.A.
Jan Obrzut
Affiliation:
Polymers Division, National Institute of Standards and Technology, Gaithersburg, MD 20899–8541, U.S.A.
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Abstract

The broadband dielectric relaxation of a BaTiO3-polymer composite film was studied. The complex dielectric constant data from 10-4 Hz to 1010 Hz reveals the existence of relaxation process at frequency of 10 MHz in the polymer composite. On the basis of Cole-Cole analysis, the relaxation time of the system is of order of 10-8 s. The understanding of the broad dispersion in dielectric behavior of polymer composite materials is needed to support next generation electronic devices used in wireless communication and related applications.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 628: Symposium CC – Hybrid Organic/Inorganic Materials , 2000 , CC6.1
Copyright
Copyright © Materials Research Society 2000

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References

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