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6 papers · 1 filter
Electrically Engineered Band Gap in Two-Dimensional Ge, Sn, and Pb: A First-Principles and Tight-Binding Approach
Thaneshwor P. Kaloni, Mohsen Modarresi, Muhammad Tahir +3
First-principles calculations were performed to investigate the electronic structure of two-dimensional (2-D) Ge, Sn, and Pb without and with the presence of an external electric f…
Giant magnetoresistance and spin Seebeck coefficient in zigzag a-graphyne nanoribbons
M. X. Zhai, X. F. Wang, P. Vasilopoulos +5
We investigate the spin-dependent electric and thermoelectric properties of ferromagnetic zigzag-graphyne nanoribbons (ZGNRs) using the density-functional theory combined with the…
Half-metallicity in aluminum-doped zigzag silicene nanoribbons
Y. J. Dong, X. F. Wang, P. Vasilopoulos +2
The spin-dependent electronic structures of aluminum-(Al) doped zigzag silicene nanoribbons (ZSiNRs) are investigated by first-principles calculations. When ZSiNRs are substitution…
Vacancy Effects on Electric and Thermoelectric Properties of Zigzag Silicene Nanoribbons
R. L. An, X. F. Wang, P. Vasilopoulos +4
We study the crystal reconstruction in the presence of monovacancies (MVs), divacancies (DVs) and linear vacancies (LVs) in a zigzag silicene nanoribbon (ZSiNR) with transversal sy…
Single and multiple doping effects on electron transport in zigzag silicene nanoribbons
J. Chen, X. F. Wang, P. Vasilopoulos +2
A nonequilibrium Green's function technique combined with density functional theory is used to study the spin-dependent electronic band structure and transport properties of zigzag…
The electronic transport properties and microstructure of carbon nanofiber/epoxy composites
Aïssa Allaoui, Suong V. Hoa, Martin D. Pugh
Carbon nanofibres (CNF) were dispersed into an epoxy resin using a combination of ultrasonication and mechanical mixing. The electronic transport properties of the resulting compos…