Metal-insulator transition i and

K. Khazeni, Vincent H. Crespi, J. Hone, A. Zettl, Marvin L. Cohen

Research output: Contribution to journalArticlepeer-review

22 Scopus citations


At zero pressure polymerized RbC(Formula presented) is an insulator, whereas polymerized KC(Formula presented) is a metal with a slight low-temperature resistive upturn. We report measurements of the resistivity of RbC(Formula presented) under pressure, finding a hysteretic resistive transition in RbC(Formula presented) near 200 K at 5 kbar, at which point the material transforms from insulator to metal. Correcting the resistivity to constant volume, both materials are metallic below the transition with a common low-temperature resistive upturn which is suppressed under compression.

Original languageEnglish (US)
Pages (from-to)6627-6630
Number of pages4
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number11
StatePublished - 1997

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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