The growth of bunched and multi-circularly wrapped carbon nanotubes on bulk magnetic alloys by microwave enhanced hot-filament CVD with a dilute gas of ammoniaH. Y. Miao, J. T. Lue, S. K. Chen, C. H. Tsau and M. S. OuyangEur. Phys. J. Appl. Phys., 29 2 (2005) 153-160DOI: https://doi.org/10.1051/epjap:2004216