Aligned CNx nanotubes by pyrolysis of ferrocene/C60 under NH3 atmosphere
Wei Qiang Han, Philipp Kohler-Redlich, Torsten Seeger, Frank Ernst, Manfred Rühle, Nicole Grobert, Wen Kuang Hsu, Bao He Chang, Yan Qiu Zhu, Harold W. Kroto, David R.M. Walton, Mauricio Terrones, Humberto Terrones