© 2007 Nature Publishing Group 1 Supplementary information for A Novel Hybrid Carbon Material Albert G. Nasibulin, Peter V. Pikhitsa, Hua Jiang, David P. Brown, Arkady V. Krasheninnikov, Anton S. Anisimov, Paula Queipo, Anna Moisala, David Gonzalez, Gunther Lientschnig, Abdou Hassanien, Sergey D. Shandakov, Giulio Lolli, Daniel E. Resasco, Mansoo Choi, David Tománek, and Esko I. Kauppinen* *To whom correspondence should be addressed. E-mail: esko.kauppinen@hut.fi , albert.nasibulin@hut.fi