Wenchang Lu
Research Associate Professor
United StatesResearch Interests
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About
Wenchang Lu is a Research Associate Professor at North Carolina State University in the United States. His research focuses on advanced computational methods in electronic structure calculations, dielectric properties of polymer nanocomposites, and the behavior of graphene-based devices. He has contributed to studies on relaxor ferroelectric polymers and anharmonicity in zirconium hydrides using inelastic neutron scattering and ab-initio modeling.
Articles (5)
Year:
2024
Year:
2023
The precise atomic structure of a metal contact significantly affects the performance of nanoscale electronic devices. We use an accurate, DFT-based non-equilibrium Green’s function method to evaluate various metal contacts with graphene or graphene nanoribbons. For surface metal contacts not chemically bound to graphene, Ti contacts have lower resistance than those of Au, Ca, Ir, Pt, and Sr. However, as an edge contact, Ti has larger resistance than Au. Bridging O atoms at Ti and Au edge contacts lowers the transmission by over 30%.
Year:
2022
Year:
2022
Year:
2021
Collaborators (2)
Bo Li
-
J. Bernholc
North Carolina State University
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