# Electronic transport in copper-graphene composites

Source: [Electronic transport in copper-graphene composites](<https://www.sota2.com/research/paper/68fa43711e209131ce909e49>)

Collection index: [llms.txt](<https://www.sota2.com/research/llms.txt>)

Data updated: 2025-10-25T04:18:19.484Z

Authors: K.N. Subedi, K. Nepal, C. Ugwumadu, K. Kappagantula, D.A. Drabold

Published: 2022-11-29T23:03:59.000Z

## Abstract

We investigate the electronic transport properties of copper-graphene composites using a density-functional framework. Conduction in composites by varying the interface distance of a copper/graphene/copper (Cu/G/Cu) interface models was studied. The electronic density of states reveals increasing contributions from both copper and carbon atoms near the Fermi level with decreasing Cu-G interfacial distance. Electronic conductivity of the models computed using the Kubo-Greenwood formula showed the conductivity increases with decreasing Cu-G distance. We also find that the conductivity saturates below a threshold Cu-G distance. By computing the space-projected conductivity of the Cu/G/Cu models, we show that the graphene forms a bridge to the electronic conduction at small copper-graphene distances, thereby enhancing the conductivity.

## Recorded benchmark results

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## Original sources and implementation

[Original paper](<https://arxiv.org/abs/2211.16625>)

[PDF](<https://arxiv.org/pdf/2211.16625.pdf>)