A. C. IMPEDANCE MEASUREMENT IN RANDOM METAL-INSULATOR COMPOSITES.

In-Gann Chen, William B. Johnson

Research output: Contribution to journalConference articlepeer-review

1 Citation (Scopus)

Abstract

The complex alternating current (a. c. ) impedance of random metal-insulator (Ag-KC1) composite specimens near the percolation threshold has been measured in the frequency range 5 Hz to 13 MHz. The impedance of these composites as a function of metal volume fraction and direct current (d. c. ) potential field are presented. This a. c. response, which is correlated with structural and compositional characterization of these composites, was used to examine the applicability of several different theoretical models as well as to determine the important factors in the electrical and ionic conductivity of such materials.

Original languageEnglish
Pages (from-to)148-157
Number of pages10
JournalProceedings - The Electrochemical Society
Volume85-8
Publication statusPublished - 1985 Dec 1

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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