Anomaly in the electric resistivity of one-dimensional uneven peanut-shaped C60 polymer film at a low temperature

Soh Ryuzaki, Jun Onoe

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Abstract

We performed in situ four-probe measurements of the current-voltage characteristics of one-dimensional (1D) uneven peanut-shaped C60 polymer films in the temperature range 30-350 K under ultrahigh vacuum conditions (2 × 10-7 Pa). Arrhenius plots of the film resistance with respect to temperature showed two different electron-conduction mechanisms. While electrons are conducted via a thermal excitation hopping at temperatures above 160 K, the resistivity of the 1D polymer film exhibits an anomalous behavior that becomes fluctuated at a given value in the temperature range 40-90 K and decreases at temperatures below 40 K.

Original languageEnglish
Article number113301
JournalApplied Physics Letters
Volume104
Issue number11
DOIs
Publication statusPublished - Mar 17 2014
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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