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Transport and spin resonance in n-doped polyacetylene

Authors
Journal
Synthetic Metals
0379-6779
Publisher
Elsevier
Publication Date
Volume
24
Identifiers
DOI: 10.1016/0379-6779(88)90589-9

Abstract

Abstract The EPR parameters and the electrical conductivity of vapour phase alkali metal-doped polyacetylene have been examined as a function of the doping level and temperature. Based on the calculations of Kodera relating the shape of the EPR signal to the dynamic parameters of the spins responsible for these signals, the evolution of T D, the diffusion time of the paramagnetic centres through the skin depth, is discussed. The temperature dependence of the electrical conductivity of heavily-doped trans-(CH) x is compared with our previous data concerning compounds synthesized from cis-rich (CH) x . A σ = AT α relationship is confirmed over a wide temperature range with α < 1.

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