Volume 35, Number 2, July II 1996
|Page(s)||103 - 108|
|Section||Condensed matter: structure, thermal and mechanical properties|
|Published online||01 September 2002|
Dynamical fracture in SiSe2 nanowires — a molecular-dynamics study
Concurrent Computing Laboratory for
Material Simulations, Department of Physics & Astronomy, Department of
Computer Science, Louisiana State University, Baton Rouge, LA 70803, USA
Accepted: 29 May 1996
The dynamics of fracture in nanowires under constant uniaxial strain is investigated using the molecular-dynamics (MD) method. It is found that the nanowires remain highly crystalline and stay in the elastic-deformation regime up to a critical strain. Under large uniaxial strain, fracture of the nanowires is preceded by initiation of an amorphous region in the chains at the outermost layer. The dynamics of amorphization and fracture are discussed.
PACS: 61.43.Bn – Structural modeling: serial-addition models, computer simulation / 61.43.Fs – Glasses / 62.20.Mk – Fatigue, brittleness, fracture and cracks
© EDP Sciences, 1996
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