Formation of single-wall carbon nanotubes in Ar and nitrogen gas atmosphere by using laser furnace techniqueS. Suzuki, N. Asai, H. Kataura and Y. AchibaEur. Phys. J. D, 43 1-3 (2007) 143-146DOI: https://doi.org/10.1140/epjd/e2007-00083-y