title: One-dimensional transport in polymer nanofibers.
abstract: We report our transport studies in quasi-one-dimensional (1D) conductors-helical polyacetylene fibers doped with iodine-and the data analysis for other polymer single fibers and tubes. We found that at 30 K<T<300 K, the conductance and the current-voltage characteristics follow the power law G(T) proportional, Talpha with alpha approximately 2.2-7.2 and I(V) proportional, Vbeta with beta approximately 2-5.7. Both G(T) andI(V) show the features characteristic of 1D systems such as a Luttinger liquid or Wigner crystal. The relationship between our results and theories for tunneling in 1D systems is discussed.
authors.affiliation: School of Physics and Nano Systems Institute - National Core Research Center, Seoul National University, Seoul 151-747, Korea. aleshin@phya.snu.ac.kr
authors.forename: A N
authors.initials: AN
authors.lastname: Aleshin
authors.forename: H J
authors.initials: HJ
authors.lastname: Lee
authors.forename: Y W
authors.initials: YW
authors.lastname: Park
authors.forename: K
authors.initials: K
authors.lastname: Akagi