TITLE

Improved contact for thermal and electrical transport in carbon nanofiber interconnects

AUTHOR(S)
Saito, Tsutomu; Yamada, Toshishige; Fabris, Drazen; Kitsuki, Hirohiko; Wilhite, Patrick; Suzuki, Makoto; Yang, Cary Y.
PUB. DATE
September 2008
SOURCE
Applied Physics Letters;9/8/2008, Vol. 93 Issue 10, p102108
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We study the performance and reliability of carbon nanofiber (CNF) interconnects under high-current stress by examining CNF breakdown for four test configurations, suspended/supported with/without tungsten deposition. The use of W is to improve the CNF-electrode contact. The supported cases show a larger current density just before breakdown than the suspended ones, suggesting an effective heat dissipation to the substrate. The W-deposited contacts reduce the initial total resistance from megaohm range without W to kilo-ohms. High-current stress does not change the total resistance of the test structures with W unlike those without W deposition.
ACCESSION #
34449578

 

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