Improved contact for thermal and electrical transport in carbon nanofiber interconnects | Zendy

Tsutomu Saito | Zendy; Toshishige Yamada | Zendy; Drazen Fabris | Zendy; Hirohiko Kitsuki | Zendy; Patrick Wilhite | Zendy; Makoto Suzuki | Zendy; Cary Y. Yang | Zendy

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Improved contact for thermal and electrical transport in carbon nanofiber interconnects

Author(s) -

Tsutomu Saito,

Toshishige Yamada,

Drazen Fabris,

Hirohiko Kitsuki,

Patrick Wilhite,

Makoto Suzuki,

Cary Y. Yang

Publication year - 2008

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.2979710

Subject(s) - materials science , contact resistance , carbon nanofiber , electrical contacts , tungsten , deposition (geology) , electrode , current density , substrate (aquarium) , composite material , carbon fibers , optoelectronics , carbon nanotube , metallurgy , chemistry , paleontology , physics , oceanography , layer (electronics) , quantum mechanics , sediment , composite number , biology , geology

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.

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