Superconductivity in High-Pressure Metallic Phases of Si

K. J. Chang, Michel M. Dacorogna, Marvin L. Cohen, J. M. Mignot, G. Chouteau, and G. Martinez
Phys. Rev. Lett. 54, 2375 – Published 27 May 1985
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Abstract

Superconductivity in the simple hexagonal phase of silicon is predicted on the basis of an electron-phonon-coupling calculation and measured experimentally up to a pressure of 25 GPa in a Bridgman-type opposed-anvil device. The highest measured superconducting transition temperature is 8.2 K at 15 GPa for the simple hexagonal phase.

  • Received 29 January 1985

DOI:https://doi.org/10.1103/PhysRevLett.54.2375

©1985 American Physical Society

Authors & Affiliations

K. J. Chang, Michel M. Dacorogna, and Marvin L. Cohen

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

J. M. Mignot

  • Centre de Recherches sur les Très Basses Températures-Centre National de Recherche Scientifique, F-38042 Grenoble Cedex, France

G. Chouteau and G. Martinez

  • Service National des Champs Intenses-Centre National de Recherche Scientifique, Laboratoire associé à l'Université Scientifique et Médicale de Grenoble, F-38042 Grenoble Cedex, France

Comments & Replies

Dependence of Superconducting Transition Temperature on Pressure in Primitive Hexagonal Si

David Erskine and Peter Y. Yu
Phys. Rev. Lett. 56, 2770 (1986)

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Vol. 54, Iss. 21 — 27 May 1985

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Heating up of Superconductors
January 27, 2017

This collection marks the 30th anniversary of the discovery of high-temperature superconductors. The papers selected highlight some of the advances that have been made to date, both in understanding why these compounds behave in the way they do, and in utilizing them in applications. The papers included in the collection have been made free to read.

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