Observation and analysis of percolation behavior in carbon microcoils/silicone-rubber composite sheets

T. Katsuno, X. Chen, S. Yang, S. Motojima, M. Homma, T. Maeno, M. Konyo

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

The electrical properties of carbon microcoils (CMCs)/ silicone-rubber composites were studied on the changes in the values of the electrical parameters (impedance, phase angle, resistance, and capacitance) as a function of the CMC content in the matrix, using an impedance analyzer in the frequency range from 40 to 200 kHz. Percolation paths were observed at a 3 wt % CMC content in the matrix. The properties of the composites were separated at the percolation threshold. The capacitance with a small value was dominant at CMC content less than 3 wt %, and the resistance was dominant at CMC content higher than 3 wt %.

Original languageEnglish
Article number232115
JournalApplied Physics Letters
Volume88
Issue number23
DOIs
Publication statusPublished - 2006 Jun 5

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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