A system and method are provided for fabricating a low electric resistance ohmic contact, or interface, between a Carbon Nanotube (CNT) and a desired node on a substrate. In one embodiment, the CNT is a Multiwalled, or Multiwall, Carbon Nanotube (MWCNT), and the interface provides a low electric resistance ohmic contact between all conduction shells, or at least a majority of conduction shells, of the MWCNT and the desired node on the substrate. In one embodiment, a Focused Electron Beam Chemical Vapor Deposition (FEB-CVD) process is used to deposit an interface material near an exposed end of the MWCNT in such a manner that surface diffusion of precursor molecules used in the FEB-CVD process induces lateral spread of the deposited interface material into the exposed end of the MWCNT, thereby providing a contact to all conduction shells, or at least a majority of the conduction shells, of the MWCNT.