Title :
Joule-heating dependence of carbon nanofiber resistance
Author :
Yabutani, Hisashi ; Yamada, Toshishige ; Saito, Tsutomu ; Yang, Cary Y.
Author_Institution :
Center for Nanostruct., Santa Clara Univ., Santa Clara, CA, USA
Abstract :
To assess their potential for interconnect applications, the interplay between electrical and thermal transport in carbon nanofibers (CNFs) under high-current stresses is examined. Electrical properties of CNFs bridging tungsten-deposited gold electrodes are measured. Average voltage is recorded as a function of current in each current stress cycle, and the resulting average resistance is shown to decrease with increasing stressing current. This finding reveals an important effect of Joule heating on the resistance of carbon nanostructures.
Keywords :
carbon nanotubes; nanofibres; Joule-heating dependence; carbon nanofiber resistance; carbon nanostructures; current stress cycle; electrical properties; electrical transport; electrothermal transport; high-current stress; interconnect applications; stressing current; tungsten-deposited gold electrodes; Contacts; Electric breakdown; Electric resistance; Electrodes; Gold; Nanostructures; Resistance heating; Testing; Thermal resistance; Thermal stresses; Joule heating; carbon nanofiber; electrothermal transport;
Conference_Titel :
Nanotechnology Materials and Devices Conference, 2009. NMDC '09. IEEE
Conference_Location :
Traverse City, MI
Print_ISBN :
978-1-4244-4695-7
Electronic_ISBN :
978-1-4244-4696-4
DOI :
10.1109/NMDC.2009.5167561
