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Article
Observation of the Transition from Semiconductor to High-Tc Superconductor in (SnxEu1-X)YMo6S8 Under High Pressure
Physical Review Letters
  • D. W. Harrison
  • K. C. Lim
  • J. D. Thompson
  • C. Y. Huang
  • Paul D. Hambourger, Cleveland State University
  • H. L. Luo
Document Type
Article
Publication Date
1-26-1981
Disciplines
Abstract
Pressure-induced high-temperature superconductivity is observed in semiconducting (SnxEu1-x)yMo6S8, where 0<~x<~0.1 and y=1.0 and 1.2, having a carrier concentration ≃1019/cm3 at 4.2 K as determined from Hall-effect measurements. Above a threshold pressure ≃7 kbar, superconductivity appears with dTc/dP≃2 K/kbar. The maximum superconducting temperature (Tc∼10 K), reached at ∼ 12 kbar, represents the highest pressure-induced Tc in any semiconductor. For P>~13 kbar, the temperature-dependent resistance appears metallic.
DOI
10.1103/PhysRevLett.46.280
Version
Publisher's PDF
Citation Information
Harrison, D. W. , K. C. Lim, J. D. Thompson, C. Y. Huang, Paul D. Hambourger, and H. L. Luo. "Observation of the Transition from Semiconductor to High-Tc Superconductor in (SnxEu1-X)YMo6S8 Under High Pressure." Physical Review Letters 46 (1981): 280-283.