Thermoelectric-power studies of (N-methylphenazinium)x(Phenazine)1- x(Tetracyanoquinodimethanide), 0.5<~x<~1.0

A. J. Epstein, J. S. Miller, P. M. Chaikin

    Research output: Contribution to journalArticle

    Abstract

    Temperature-dependent thermoelectric-power (S) studies of (N-methylphenazinium)x(phenazine)1-x(tetracyanoquinodimethanide) [(NMP)x(phen)1-x(TCNQ)] show that for x=0.5, S(T) is indentical to that of (quinolinium)(TCNQ)2. S(T) for 0.5<x<1.0 is intermediate between that of (NMP)(TCNQ) and (quinolinium)(TCNQ)2. Our results show strong Coulomb correlations are important in these salts and that their transport properties are determined by semiconducting gaps with disorder having only secondary importance for T>70 K.

    Original languageEnglish (US)
    Pages (from-to)1178-1181
    Number of pages4
    JournalPhysical Review Letters
    Volume43
    Issue number16
    DOIs
    StatePublished - 1979

    ASJC Scopus subject areas

    • Physics and Astronomy(all)

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