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SUPERCONDUCTORS, THE TOPIC OF THE DAY.

CES SUPRACONDUCTEURS QUI FONT FUREUR.

Author(s) : KANEL A.

Type of article: Article

Summary

PRINCIPAL STAGES IN THE DISCOVERY OF SUPERCONDUCTORS: SUPERCONDUCTIVITY AT 4 K (METALS), KAMERLINGH ONNES IN 1911 ; SUPERCONDUCTIVITY IN STRONG FIELDS (NIOBIUM-TIN) TOWARDS 1950 ; SUPERCONDUCTIVITY AT 23 K (NIOBIUM-GERMANIUM) TOWARDS 1973 ; SUPERCONDUCTIVITY AT 35 K (BARIUM, LANTHANUM, COPPER, OXYGEN CERAMICS) AROUND 1985. SEARCH FOR INCREASINGLY HIGH TRANSITION TEMPERATURES. AMERICANS WERE SAID TO HAVE DISCOVERED A (SECRET) SUPERCONDUCTING MATERIAL AT 240 K (-32 DEG C) AND RUSSIANS A SUPERCONDUCTING MATERIAL AT 250 K (-23 DEG C). THE ADVENT OF < WARM > SUPERCONDUCTORS MAY LAUNCH A NEW INDUSTRIAL REVOLUTION, COMPARABLE TO THAT INDUCED BY THE DISCOVERY OF THE TRANSISTOR IN 1948. J. V.

Details

  • Original title: CES SUPRACONDUCTEURS QUI FONT FUREUR.
  • Record ID : 1988-1315
  • Languages: French
  • Source: Rev. polytech. - n. 1490
  • Publication date: 1987
  • Document available for consultation in the library of the IIR headquarters only.

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