The intercalation process of some d-transition metal fluorides in graphite has been investigated using anhydrous liquid HF. C(x)MF(y) GICs have been obtained for M = Cr, Rh, Ir and Au. The charge transfer has been evaluated from optical reflectivity measurements. Comparison has been carried out between electrical conductivity obtained from optical data and from a contactless method. Results on the in-plane electrical resistivity and thermal conductivity are reported. All compounds exhibit a logarithmic resistivity divergence in the low-temperature range due to weak localization and carrier-carrier interaction effects for 2D metals.
Amine, K., Tressaud, A., Mayorga, SG., Grannec, J., Hagenmuller, P., Piraux, L., Issi, JP., & Nakajima, T. (1992). Optical and Transport-properties of New Transition-metal Fluoride Graphite-intercalation Compounds (gics). Journal of Fluorine Chemistry, 57(1-3), 35-43. https://doi.org/10.1016/S0022-1139(00)82814-6 (Original work published 1992)