Superconductivity and Phase Transitions in Compressed Si to 45 GPa

David Erskine, Peter Y. Yu, K. J. Chang, and Marvin L. Cohen
Phys. Rev. Lett. 57, 2741 – Published 24 November 1986
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A diamond-anvil cell is used to measure the pressure dependence of the superconducting transition temperature Tc in both primitive hexagonal and hexagonal-close-packed Si up to 45 GPa. The experimental results verify the prediction of superconductivity in hcp Si and the measured curve of Tc versus pressure is found to be in good qualitative agreement with theory, in contrast to a recent experiment by Lin et al. who claim complete disagreement with theory.

  • Received 8 May 1986


©1986 American Physical Society

Authors & Affiliations

David Erskine, Peter Y. Yu, K. J. Chang, and Marvin L. Cohen

  • Department of Physics, University of California, Berkeley, Berkeley, California 94730
  • Materials and Molecular Research Division, Lawrence Berkeley Laboratory, Berkeley, California 94720

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Vol. 57, Iss. 21 — 24 November 1986

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