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POTASSIUM-DOPED C60 DEMONSTRATES SUPERCONDUCTIVITY.

Type of article: Article

Summary

THE SYNTHESIS OF MACROSCOPIC AMOUNTS OF C60 AND C70 (FULLERENES) HAS STIMULATED A VARIETY OF STUDIES ON THEIR PHYSICAL AND CHEMICAL PROPERTIES. A GROUP OF SCIENTISTS HAS DEMONSTRATED THAT C60 AND C70 BECOME CONDUCTIVE WHEN DOPED WITH ALKALI METALS. THE SAME GROUP HAS NOW REPORTED THAT COOLING THE DOPED MATERIAL TO 18 K MAKES IT SUPERCONDUCTING. THE TEAM ALSO FOUND THAT POTASSIUM GIVES HIGHER ELECTRICAL CONDUCTIVITY THAN OTHER ALKALI METALS. THE BEST RESULTS ARE OBTAINED WHEN THERE ARE ABOUT 3 POTASSIUM ATOMS PER C60 MOLECULE.

Details

  • Original title: POTASSIUM-DOPED C60 DEMONSTRATES SUPERCONDUCTIVITY.
  • Record ID : 1992-1527
  • Languages: English
  • Source: Nature - vol. 350 - n. 6319
  • Publication date: 1991
  • Document available for consultation in the library of the IIR headquarters only.

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