Electrothermal Characterization of the Electrical Resistance of Graphene Contacts for Packages

摘要

This paper deals with the electro-thermal characterization of graphene-based materials that are proposed to improve the performance of the electronic packages. Two materials are investigated: multi-walled carbon nanotubes and graphene nanoplatelets. In both cases, commercial materials have been used, thus potentially suitable for a large mass production. Electrical resistance for varying values of the temperature is here measured by means of four-probe technique. Theoretical models are also provided to justify the observed behavior. The results demonstrate that outstanding and favorable properties of graphene such as the stability of the electrical resistance with temperature increase, can be lost when considering real-world realization of contacts, where the quality of the fabrication control is low.