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

Soh Ryuzaki; Jun Onoe

doi:10.1063/1.4869120

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

Soh Ryuzaki, Jun Onoe

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

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 language	English
Article number	113301
Journal	Applied Physics Letters
Volume	104
Issue number	11
DOIs	https://doi.org/10.1063/1.4869120
Publication status	Published - Mar 17 2014
Externally published	Yes

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.4869120

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AB - 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.

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

Abstract

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