Anisotropic metallic properties of highly-oriented rhombohedral C60 polymer.

The pure rhombohedral phase of C 60 polymer displays highly anisotropic electrical properties. Conductivity in the polymerized (001) planes exhibits a metal-insulator transition and shows the features of 2D weak localisation. Anisotropy ratio is temperature-dependent and reaches 10 6 . Dysonian ESR absorption lineshape is consistent with the metallic nature of the samples.