Abstract
The magnetic susceptibility and electrical conductivity of the quasi-one-dimensional organic metal (Perylene) 2(AsF 6) 0.75(PF 6) 0.35 × 0.85CH 2Cl 2 was studied in the temperature range 3–300 K. The measured susceptibility can be separated into its defect χ d , core χ c and enhanced paramagnetic spin susceptibility χ p components. χ p is found to decrease upon lowering the temperature or applying pressure, in analogy with results on charge transfer compounds such as TTF-TCNQ. The conductivity ratio σ ‖ σ ⊥ also decreases with falling temperature. The present results are discussed within the context of a model which takes into account band-narrowing (electron localization) due to strong electron-phonon coupling.
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