Electrical-transport measurements of KC60

J. Hone, M. S. Fuhrer, K. Khazeni, A. Zettl

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We have measured the temperature-dependent electrical resistivity ρ of polymerized KC60 from 410 to 1.9 K. ρ(T) shows evidence for a metal-to-semiconductor phase transition near 50 K, and increases dramatically-ab decreasing temperature. Under applied hydrostatic pressure, ρ decreases, and the 50-K transition is suppressed. No anomalous magnetoresistance is observed up to 7 T, and we find no evidence of superconductivity above 1.9 K.

Original languageEnglish
JournalPhysical Review B
Issue number12
Publication statusPublished - 1 Jan 1995
Externally publishedYes

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