We have produced fully oriented highly crystal 1ine trans-(CH)X films, which exhibit dramatic polarization effects for light polarized parallel or perpendicular to the oriented (CH)X-chains. The polarization behavior in the vicinity of the bandgap and of the characteristic IR-modes, including those which are introduced as a result of doping with ASF5 is presented. DC-conductivity measurements allow to deduce the conductivity anisotropy of δ‖/δ⊥ ∼ 100 for undoped and I2-doped trans-(CH)x at 300 K.
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Leising et al. (1985) studied this question.