PRESSURE DEPENDENCE OF THE THERMOELECTRIC POWER OF TTF-TCNQ.

C. Weyl, D. Jerome, P. M. Chaikin, K. Bechgaard

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

    Abstract

    The thermoelectric power of TTF-TCNQ was measured in the temperature region from 300K-4K for pressures from atmospheric to 15 kbar. The room temperature thermopower decreases from approximately minus 30 mu V/K to approximately minus 10 mu V/K in this pressure range indicating that the relative conductivity of the TTF chain to the TCNQ chain increases with pressure. In the temperature regime of the metal-insulator phase transition it was found that the sign of thermopower changes. The highest temperature transition therefore corresponds to the ″freezing-out″ of carriers on both chains. As pressure increases this transition increasingly effects the TTF chain relative to the TCNQ chain.

    Original languageEnglish (US)
    Title of host publicationJournal de physique Paris
    Pages1167-1172
    Number of pages6
    Volume43
    Edition7
    StatePublished - Jul 1982

    Fingerprint

    Thermoelectric power
    Freezing
    Temperature
    Superconducting transition temperature
    Phase transitions
    Metals

    ASJC Scopus subject areas

    • Engineering(all)

    Cite this

    Weyl, C., Jerome, D., Chaikin, P. M., & Bechgaard, K. (1982). PRESSURE DEPENDENCE OF THE THERMOELECTRIC POWER OF TTF-TCNQ. In Journal de physique Paris (7 ed., Vol. 43, pp. 1167-1172)

    PRESSURE DEPENDENCE OF THE THERMOELECTRIC POWER OF TTF-TCNQ. / Weyl, C.; Jerome, D.; Chaikin, P. M.; Bechgaard, K.

    Journal de physique Paris. Vol. 43 7. ed. 1982. p. 1167-1172.

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

    Weyl, C, Jerome, D, Chaikin, PM & Bechgaard, K 1982, PRESSURE DEPENDENCE OF THE THERMOELECTRIC POWER OF TTF-TCNQ. in Journal de physique Paris. 7 edn, vol. 43, pp. 1167-1172.
    Weyl C, Jerome D, Chaikin PM, Bechgaard K. PRESSURE DEPENDENCE OF THE THERMOELECTRIC POWER OF TTF-TCNQ. In Journal de physique Paris. 7 ed. Vol. 43. 1982. p. 1167-1172
    Weyl, C. ; Jerome, D. ; Chaikin, P. M. ; Bechgaard, K. / PRESSURE DEPENDENCE OF THE THERMOELECTRIC POWER OF TTF-TCNQ. Journal de physique Paris. Vol. 43 7. ed. 1982. pp. 1167-1172
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    abstract = "The thermoelectric power of TTF-TCNQ was measured in the temperature region from 300K-4K for pressures from atmospheric to 15 kbar. The room temperature thermopower decreases from approximately minus 30 mu V/K to approximately minus 10 mu V/K in this pressure range indicating that the relative conductivity of the TTF chain to the TCNQ chain increases with pressure. In the temperature regime of the metal-insulator phase transition it was found that the sign of thermopower changes. The highest temperature transition therefore corresponds to the ″freezing-out″ of carriers on both chains. As pressure increases this transition increasingly effects the TTF chain relative to the TCNQ chain.",
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    AB - The thermoelectric power of TTF-TCNQ was measured in the temperature region from 300K-4K for pressures from atmospheric to 15 kbar. The room temperature thermopower decreases from approximately minus 30 mu V/K to approximately minus 10 mu V/K in this pressure range indicating that the relative conductivity of the TTF chain to the TCNQ chain increases with pressure. In the temperature regime of the metal-insulator phase transition it was found that the sign of thermopower changes. The highest temperature transition therefore corresponds to the ″freezing-out″ of carriers on both chains. As pressure increases this transition increasingly effects the TTF chain relative to the TCNQ chain.

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