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Confined states in multiple quantum well structures of SiGe nanowire superlattices
Nurten Akman, Engin Durgun, Seymur Cahangirov +1
Mechanical properties, atomic and energy band structures of bare and hydrogen passivated SiGe nanowire superlattices have been investigated by using first-principles ps…
Long ranged interactions in carbon atomic chains
S. Cahangirov, M. Topsakal, S. Ciraci
Based on first-principles calculations we revealed fundamental properties of infinite and finite size monatomic chains of carbon atoms in equilibrium and under an applied strain. D…
A First-Principles Study of Defects and Adatoms in Silicon Carbide Honeycomb Structures
E. Bekaroglu, M. Topsakal, S. Cahangirov +1
We present a study of mechanical, electronic and magnetic properties of two dimensional (2D), monolayer of silicon carbide (SiC) in honeycomb structure and its quasi 1D armchair na…
Armchair nanoribbons of silicon and germanium honeycomb structures
S. Cahangirov, M. Topsakal, S. Ciraci
We present a first-principles study of bare and hydrogen passivated armchair nanoribbons of the puckered single layer honeycomb structures of silicon and germanium. Our study inclu…