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Originally published in Science Express on 30 August 2001
Science 28 September 2001:
Vol. 293. no. 5539, pp. 2432 - 2434
DOI: 10.1126/science.1064773
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This article has been retracted

High-Temperature Superconductivity in Lattice-Expanded C60

J. H. Schön,12* Ch. Kloc,1 B. Batlogg13

C60 single crystals have been intercalated with CHCl3 and CHBr3 in order to expand the lattice. High densities of electrons and holes have been induced by gate doping in a field-effect transistor geometry. At low temperatures, the material turns superconducting with a maximum transition temperature of 117 K in hole-doped C60/CHBr3. The increasing spacing between the C60 molecules follows the general trend of alkali metal-doped C60 and suggests routes to even higher transition temperatures.

1 Bell Laboratories, Lucent Technologies, 600 Mountain Avenue, Murray Hill, NJ 07974, USA.
2 University of Konstanz, Department of Physics, D-78457 Konstanz, Germany.
3 Solid State Physics Laboratory, Eidgenössische Technische Hochschule, CH-8093 Zürich, Switzerland
*   To whom correspondence should be addressed. E-mail: hendrik{at}lucent.com

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THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Strongly Correlated Superconductivity.
M. Capone, M. Fabrizio, C. Castellani, and E. Tosatti (2002)
Science 296, 2364-2366
   Abstract »    Full Text »    PDF »
Structure of Haloform Intercalated C60 and Its Influence on Superconductive Properties.
R. E. Dinnebier, O. Gunnarsson, H. Brumm, E. Koch, P. W. Stephens, A. Huq, and M. Jansen (2002)
Science 296, 109-113
   Abstract »    Full Text »    PDF »


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