The role of the electrons in lithium intercalation in LixRuzMo6-zSe8
- 10 November 1987
- journal article
- Published by IOP Publishing in Journal of Physics C: Solid State Physics
- Vol. 20 (31) , 5105-5123
- https://doi.org/10.1088/0022-3719/20/31/013
Abstract
The authors have measured mu Li, the chemical potential of lithium, in LixRuzMo6-zSe8 for 0<or=z<or=2 using electrochemical cells and have monitored the lattice parameters for increasing x using in situ X-ray diffraction. Intercalation is not limited by the band gap but rather by the close proximity of occupied sites when x=4. In situ resistance measurements confirm that the lower d-bonding band fills at x approximately=4-2z. A lattice gas model containing a distribution in Li site energies created by Ru and Mo atoms accounts for V(x) for 0<x<1.Keywords
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