Origins of thermally stimulated current peaks in polyethersulfone investigated through the measurements of space charge distribution

E. J. Kim, T. Takeda, Yoshimichi Ohki

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    The mechanism of electrical conduction in polyethersulfone (PES) is investigated through the thermally stimulated current (TSC), dc conduction current, and space charge distribution. PES has two TSC peaks below the glass transition temperature of 225 °C. The peak temperature of the lower-temperature TSC, β, increases with an increase in the poling temperature. Through the measurements of space charge distribution by the pulsed electroacoustic method done in combination with the TSC measurements, β peak is considered to be due to ions. Furthermore, the dc conduction current obeys the ionic hopping conduction model, suggesting that the dominant carriers are ions.

    Original languageEnglish
    Title of host publicationConference on Electrical Insulation and Dielectric Phenomena (CEIDP), Annual Report
    PublisherIEEE
    Pages492-495
    Number of pages4
    Publication statusPublished - 1995
    EventProceedings of the 1995 Conference on Electrical Insulation and Dielectric Phenomena - Virginia Beach, VA, USA
    Duration: 1995 Oct 221995 Oct 25

    Other

    OtherProceedings of the 1995 Conference on Electrical Insulation and Dielectric Phenomena
    CityVirginia Beach, VA, USA
    Period95/10/2295/10/25

    Fingerprint

    Charge distribution
    Electric space charge
    Ions
    Electric current measurement
    Temperature

    ASJC Scopus subject areas

    • Electrical and Electronic Engineering
    • Industrial and Manufacturing Engineering
    • Building and Construction

    Cite this

    Kim, E. J., Takeda, T., & Ohki, Y. (1995). Origins of thermally stimulated current peaks in polyethersulfone investigated through the measurements of space charge distribution. In Conference on Electrical Insulation and Dielectric Phenomena (CEIDP), Annual Report (pp. 492-495). IEEE.

    Origins of thermally stimulated current peaks in polyethersulfone investigated through the measurements of space charge distribution. / Kim, E. J.; Takeda, T.; Ohki, Yoshimichi.

    Conference on Electrical Insulation and Dielectric Phenomena (CEIDP), Annual Report. IEEE, 1995. p. 492-495.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Kim, EJ, Takeda, T & Ohki, Y 1995, Origins of thermally stimulated current peaks in polyethersulfone investigated through the measurements of space charge distribution. in Conference on Electrical Insulation and Dielectric Phenomena (CEIDP), Annual Report. IEEE, pp. 492-495, Proceedings of the 1995 Conference on Electrical Insulation and Dielectric Phenomena, Virginia Beach, VA, USA, 95/10/22.
    Kim EJ, Takeda T, Ohki Y. Origins of thermally stimulated current peaks in polyethersulfone investigated through the measurements of space charge distribution. In Conference on Electrical Insulation and Dielectric Phenomena (CEIDP), Annual Report. IEEE. 1995. p. 492-495
    Kim, E. J. ; Takeda, T. ; Ohki, Yoshimichi. / Origins of thermally stimulated current peaks in polyethersulfone investigated through the measurements of space charge distribution. Conference on Electrical Insulation and Dielectric Phenomena (CEIDP), Annual Report. IEEE, 1995. pp. 492-495
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    AB - The mechanism of electrical conduction in polyethersulfone (PES) is investigated through the thermally stimulated current (TSC), dc conduction current, and space charge distribution. PES has two TSC peaks below the glass transition temperature of 225 °C. The peak temperature of the lower-temperature TSC, β, increases with an increase in the poling temperature. Through the measurements of space charge distribution by the pulsed electroacoustic method done in combination with the TSC measurements, β peak is considered to be due to ions. Furthermore, the dc conduction current obeys the ionic hopping conduction model, suggesting that the dominant carriers are ions.

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