Coulomb repulsion in (TMTSF)2X and (TMTTF)2X

Kell Mortensen, E. M. Engler

    Research output: Contribution to journalJournal articleResearchpeer-review


    On the basis of studies of transport properties of (TMTSF)2 X, (TMTTF)2X and their binary alloys the authors discuss the role of on-site Coulomb repulsion relative to the transfer integrals. In TMTTF-salts U/ta are believed to be large, resulting in a Hubbard gap, whereas U/ta in TMTSF-salts are weak or of intermediate size. They suggest that the difference in U/t a is a result of difference in U rather than difference in t a and moreover that U is closely related to the interchain banding (tb)
    Original languageEnglish
    JournalMolecular Crystals and Liquid Crystals
    Issue number1-4
    Pages (from-to)293-296
    Publication statusPublished - 1985


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