C. Herold et al., SYNTHESIS AND CHARACTERIZATION OF A GRAPH ITE-INTERCALATION COMPOUND WITH RUBIDIUM DOUBLE-LAYERS, Comptes rendus de l'Academie des sciences. Serie 2, Mecanique, physique, chimie, sciences de l'univers, sciences de la terre, 318(11), 1994, pp. 1465-1468
Liquid and weakly oxidized rubidium may intercalate into graphite, lea
ding to a first stage compound with intermediate alkali double layers,
which are stabilized by small amounts of oxygen atoms. The chemical f
ormula of this quasi-binary compound is close to RbC4.