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Superstrong Low‐Resistant Carbon Nanotube–Carbide–Metal Nanocontacts
Author(s) -
Wang MingSheng,
Golberg Dmitri,
Bando Yoshio
Publication year - 2010
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201003010
Subject(s) - materials science , carbide , carbon nanotube , tungsten carbide , heterojunction , nanotechnology , layer (electronics) , joule (programming language) , tungsten , metal , joule heating , nanotube , contact resistance , composite material , metallurgy , optoelectronics , power (physics) , physics , quantum mechanics
An in‐situ TEM nanowelding process via Joule heating was used to achieve superstrong CNT‐carbide‐metal contacts, in which all shells of a multiwalled CNT contact the tungsten wire through the intermediate tungsten carbide layer. A remarkably high tensile strength (5–15GPa) and ultralow resistance(<1 kΩ) were documented for the heterojunctions, which were also sufficiently robust in CNT field‐emission applications.