Superconducting Characteristics of a Graphite/N-Alkane Mixture above Room Temperature
Yasushi Kawashima*
Abstract:The resistance of a pitch-based carbon fiber/n-alkane (n-CkH2k+2, k = 8, 9, 10, 12, 13, and 16) mixture in a heated Teflon tube was measured using a two-terminal measurement. The results showed that the resistance suddenly increased at temperatures between 367.77 and 504.24 K (Tincrease), and that the amount of change in resistance at Tincrease varied by two orders of magnitude between the samples. Measurements and calculations revealed that n-alkanes did not reach their boiling points at Tincrease, indicating… Show more
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