Previous Article Next Article Table of Contents Nature, Vol.389, No.6651, 554-555, 1997 Export Citation Conical Beams from Open Nanotubes Saito Y, Hamaguchi K, Hata K, Uchida K, Tasaka Y, Ikazaki F, Yumura M, Kasuya A, Nishina Y Keywords:FIELD-EMISSION;ELECTRON [Referenced By] Please enable JavaScript to view the comments powered by Disqus.