Title: Electronic conductivity in metal-graphene composites: the role of disordered carbon structures, defects, and impurities

Journal Article · · JPhys Materials
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Abstract This paper explores the transport properties of aluminum-carbon composite material via ab initio methods. Interfacial and electronic dynamics of the aluminum-graphene interface structure were investigated using models of amorphous graphene added to an aluminum matrix. We examine the impact on electronic conduction caused by the presence of nitrogen impurities within the interfacial amorphous graphene layer. We elucidate the conduction mechanisms by using a projection of the electronic conductivity into space.

Research Organization:
Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
Sponsoring Organization:
National Science Foundation (NSF); USDOE; USDOE Office of Energy Efficiency and Renewable Energy (EERE), Office of Sustainable Transportation. Vehicle Technologies Office (VTO)
Grant/Contract Number:
AC05-76RL01830
OSTI ID:
2305434
Report Number(s):
PNNL-SA-192067
Journal Information:
JPhys Materials, Journal Name: JPhys Materials Journal Issue: 2 Vol. 7; ISSN 2515-7639
Publisher:
IOP PublishingCopyright Statement
Country of Publication:
United Kingdom
Language:
English

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36 MATERIALS SCIENCE
DFT calculations
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graphene