Morphology and Stability of Growing Multiwall Carbon Nanotubes

Young-Kyun Kwon,1 Young Hee Lee,1,2 Seong-Gon Kim,1,* Philippe Jund,1,† David Tománek,1 and Richard E. Smalley3 1Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824-1116 2Department of Physics and Semiconductor Physics Research Center, Jeonbuk National University, Jeonju 561-756, Korea 3Center for Nanoscale Science and Technology, and Departments of Chemistry and Physics, Rice University, P.O. Box 1892, Houston, Texas 77251 (Received 29 April 1997)