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APS » Journals » Phys. Rev. B » Volume 45 » Issue 11
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Phys. Rev. B 45, 6348–6351 (1992)

Metallic and insulating phases of LixC60, NaxC60, and RbxC60

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C. Gu, F. Stepniak, D. M. Poirier, M. B. Jost, P. J. Benning, Y. Chen, T. R. Ohno, José Luriaas Martins, and J. H. Weaver
Department of Materials Science and Chemical Engineering, University of Minnesota, Minneapolis, Minnesota 55455

J. Fure and R. E. Smalley
Rice Quantum Institute and Departments of Chemistry and Physics, Rice University, Houston, Texas 77251

Received 5 December 1991; published in the issue dated 15 March 1992

Photoemission studies of Li and Na fullerides show a band of alkali-metal-induced states that is fully below the Fermi level for a stoichiometry of A2C60 and inverse photoemission results show a splitting of the unoccupied bands. Equivalent results for the Rb fullerides show the formation of only a metallic phase, Rb3C60. For all three fullerides, doping to saturation produces nonmetallic A6C60 phases.

© 1992 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevB.45.6348
DOI:
10.1103/PhysRevB.45.6348
PACS:
33.60.-q, 74.65.+n, 79.60.-i
 
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