Molecular dynamics study of the stability of a carbon nanotube atop a catalytic nanoparticleAlexey V. Verkhovtsev, Stefan Schramm and Andrey V. Solov’yovEur. Phys. J. D, 68 9 (2014) 246DOI: https://doi.org/10.1140/epjd/e2014-50371-4