Investigating the graphitization mechanism of SiO(2) nanoparticles in chemical vapor deposition. by Bachmatiuk, A, Börrnert, F, Grobosch, M, Schäffel, F, Wolff, U, Scott, A, Zaka, M, Warner, J, Klingeler, R, Knupfer, M, Büchner, B, Rümmeli, M