期刊
APPLIED PHYSICS LETTERS
卷 94, 期 24, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3147183
关键词
current density; electric breakdown; electrical resistivity; graphene; interconnections; thermal conductivity
资金
- Interconnect Focus Center (IFC)
- Institute for Nanoelectronics Discovery and Exploration (INDEX)
Graphene nanoribbons (GNRs) with widths down to 16 nm have been characterized for their current-carrying capacity. It is found that GNRs exhibit an impressive breakdown current density, on the order of 10(8) A/cm(2). The breakdown current density is found to have a reciprocal relationship to GNR resistivity and the data fit points to Joule heating as the likely mechanism of breakdown. The superior current-carrying capacity of GNRs will be valuable for their application in on-chip electrical interconnects. The thermal conductivity of sub-20 nm graphene ribbons is found to be more than 1000 W/m K.
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