Atomic limit and polarons in conducting molecular crystals

B. M. Hoffman*, T. E. Phillips, Z. G. Soos

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

26 Scopus citations


The macrocyclic donor, D = 1,4,5,8,9,12,13,16-octamethyltetrabenzporphinato nickel (II), forms two mixed-valence complexes D (I-3)γ, with γ = 0.36 and 0.97, that combine high electric conductivity σ(T) with a nearly Curie-law magnetic susceptibility. These molecular conductors are the first clear realizations of the partly-filled (γ < 1) atomic limit of the Hubbard models, when the bandwidth 4|t| is small compared to on-site correlations U. Single crystal epr and σ(T) data on γ = 0.36 crystals are interpreted as correlated motion of localized D+ polarons on a one-dimensional ...DD... stack.

Original languageEnglish (US)
Pages (from-to)51-54
Number of pages4
JournalSolid State Communications
Issue number1
StatePublished - Jan 1980

ASJC Scopus subject areas

  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry


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