title: Controlling electron-beam-induced carbon deposition on carbon nanotubes by Joule heating.
abstract: Electron-beam-induced deposition (EBID) of carbon on the surface of carbon nanotubes was well controlled by passing different electrical currents through the nanotubes. The control is due to Joule heating and the temperature of the carbon nanotubes was estimated. The deposition rate was found to increase and then decrease with the temperature and was maximized at about 310 K and approached zero at about 400 K. The method can be used to control the deposition rate of EBID in nanowelding and nanofabrication and to eliminate amorphous carbon contamination in in situ study of nanostructures.
authors.affiliation: Key Laboratory for the Physics and Chemistry of Nanodevices and Department of Electronics, Peking University, Beijing 100871, People's Republic of China.
authors.forename: Xian Long
authors.initials: XL
authors.lastname: Wei
authors.forename: Yang
authors.initials: Y
authors.lastname: Liu
authors.forename: Qing
authors.initials: Q
authors.lastname: Chen
authors.forename: Lian Mao
authors.initials: LM
authors.lastname: Peng