Carbon onions thin film formation and characterization T. Cabioc'h, J. C. Girard, M. Jaouen, M. F. Denanot and G. Hug Europhys. Lett., 38 6 (1997) 471-476 Published online: 01 September 2002 DOI: 10.1209/epl/i1997-00270-x