Low-temperature transport properties of poly(3-alkylthiophene)s doped with FeCl₄^-

Abstract

This letter repom the results of temperature-dependent conductivity measurements performed for a conjugated polymer doped with magnetic complex. There. an abrupt decrease in conductivity was observed 35 temperature was lowered. The phenomenon is interpreted as the effect of the short-range magnetic order appearing and. consequently, affecting the transport processes by magnetic interactions mediated by charge-carrying species (polarons, bipolamns). In addition, results of x-ray diffraction experiments that were performed are discussed.