Single-walled carbon nanotube formation with double laser vaporization technique S. Suzuki, R. Sen, T. Tamaki, H. Kataura and Y. Achiba Eur. Phys. J. D, 24 1-3 (2003) 401-404 Published online: 03 July 2003 DOI: 10.1140/epjd/e2003-00137-2