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Anomalous dispersion in the dielectric spectra of conductive materials

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1 Author(s)
J. W. Schultz ; Res. Inst., Georgia Inst. of Technol., Atlanta, GA, USA

A high-frequency impedance analyzer is used to study the dielectric permittivity of a conductor-filled composite. An anomalous dielectric dispersion is observed at high frequencies. Comparison to dielectric probe measurements indicates that this dispersion is not reproducible with other measurement techniques and may be a result of instrumental artifacts. Theoretical circuit models show that this dispersion is most likely caused by finite inductances and resistances that exist in the electrode fixture

Published in:

IEEE Transactions on Instrumentation and Measurement  (Volume:47 ,  Issue: 3 )