Thermal and tensile properties of Si/Ge core-shell
and superlattice nanowires
Hai-jun SHEN,
Author information+
School of Aeronautics
& Astronautics, Nanjing University of Aeronautics & Astronautics,
Nanjing 210016, China;
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History+
Published
05 Dec 2009
Issue Date
05 Dec 2009
Abstract
The Stillinger-Weber potential-based MD (Molecular dynamics) method is used to simulate the heating-up and axial tension of Si/Ge core-shell and superlattice nanowires; according to the simulative results, the differences in their thermal and mechanical properties are discussed. The results show the following: (1) The Si/Ge superlattice nanowire is more thermally stable than the core-shell one, and their melting points are 1160 and 1320 K, respectively. (2) The Si/Ge core-shell nanowire has higher elastic module than the super-lattice one. (3) Under tension, the super-lattice nanowire has better antideformation capability than the core-shell one but has comparative antiloading capability.
Hai-jun SHEN,.
Thermal and tensile properties of Si/Ge core-shell
and superlattice nanowires. Front. Mater. Sci., 2009, 3(4): 415‒420 https://doi.org/10.1007/s11706-009-0061-9
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