Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Theoretical sheath width dependence on (a) cathode bias (Vo) and (b) electron density (ne) for an electron temperature (Te) ~104 K (0.86 eV); (c) Variation in Te, with S for increasing Vo. Points indicated denote typical process conditions for vertical PE-CVD nanotube synthesis over practical growth regimes (grey).
