Electron-spectroscopy study of LiC60: Charge transfer and dimer formation

J. Schnadt, P. A. Brühwiler, N. Mårtensson, A. Lassesson, F. Rohmund, and E. E. B. Campbell
Phys. Rev. B 62, 4253 – Published 15 August 2000
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Abstract

LiC60 compounds Lix¯C60 were studied for average Li concentration x¯<~1 using photoelectron spectroscopy. Strong evidence is found for the formation of LiC60 dimers, as well as a second phase. The study suggests that the smallest alkali-metal Li bonds to C60 largely ionically for certain configurations. An investigation of the Li 1s level shows that under certain conditions the energetics favor a backdonation of the transferred electron to the Li ion.

  • Received 28 October 1999

DOI:https://doi.org/10.1103/PhysRevB.62.4253

©2000 American Physical Society

Authors & Affiliations

J. Schnadt, P. A. Brühwiler, and N. Mårtensson

  • Department of Physics, Uppsala University, Box 530, SE-751 21 Uppsala, Sweden

A. Lassesson, F. Rohmund, and E. E. B. Campbell

  • School of Physics and Engineering Physics, Gothenburg University and Chalmers Institute of Technology, SE-412 96 Gothenburg, Sweden

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Vol. 62, Iss. 7 — 15 August 2000

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