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Based on extensive experimental information, a model is developed that takes into account heat transport through the entire carbon nanofiber interconnect test structure and breakdown location. This electrothermal transport model elucidates observed current capacity behavior, and predicts variations in contact location with the support material. The resulting heat dissipation and current capacity are...
Current-induced breakdown phenomena of carbon nanofibers (CNFs) for future on-chip interconnect applications are presented. The effect of heat dissipation via the underlying substrate is studied using different experimental configurations. Scanning electron microscopy (SEM) techniques are utilized to study the structural damage by current stress. While the measured maximum current density in the suspended...
In a carbon nanofiber (CNF) metal contact such as a bridge between two metallic electrodes, passing high current (current stressing) reduces the total resistance of the system (CNF resistance RCNF and contact resistance Rc) by orders of magnitude. The role of current stressing is modeled as a reduction in the interfacial tunneling gap with transport characteristics attributed to tunneling between...
Current-induced breakdown phenomena of carbon nanofibers (CNFs) for future on-chip interconnect applications are presented. The effect of heat dissipation via the underlying substrate is studied using different experimental configurations. Scanning electron microscopy (SEM) techniques are utilized to study the structural damage by current stress. While the measured maximum current density in the suspended...
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