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Superconductivity at high temperatures.

Les poussées de fièvre de la supraconductivité.

Author(s) : MASHAAL M.

Type of article: Article

Summary

The history of superconductors since their discovery in 1911 until the appearance of eventual superconductivity at 250 K, or even at 280 K. A reminder of the characteristic properties of superconductivity: resistivity drop and Meissner effect. Critical analysis of the last results obtained by M. Laguès' Parisian team on samples of the BSCCO family and J.L. Tholence's team in Grenoble on samples of mercury-1223: current results are too uncertain and as long as the two characteristic properties have not been measured on the same sample, and as long as we do not know how to easily make samples that share the same properties, how to identify superconductive phases, how to stabilize them, the scientific community will remain sceptical. Although critical temperatures will probably keep increasing. J.V.

Details

  • Original title: Les poussées de fièvre de la supraconductivité.
  • Record ID : 1995-1923
  • Languages: French
  • Source: Recherche - vol. 25 - n. 263
  • Publication date: 1994/03
  • Document available for consultation in the library of the IIR headquarters only.

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