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Single wall carbon nanotube (SWNT) bundles protruding from the SWNT layers on self-aligned Sn apexes were brought to a distance of 30 nm by a scanning tunneling microscope inside a transmission electron microscope. A straight bundle on the tip could be observed in situ in contact electrostatically with a looped bundle on the sample by applying tip bias voltages above 2.0 V. The bundles were welded at the nanometer size contact area by local Joule heating. © 2001 American Institute of Physics. [ABSTRACT FROM AUTHOR]

Reports that single-wall carbon nanotubes were grown in the tunneling gap of a scanning tunneling microscope (STM). Observation of the growth processes in situ by operating the STM in a transmission electron microscope; Covering of the STM tip and sample with graphite layers.