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Medium-range structural order in liquid Ni20Al80 alloy: Experimental and molecular dynamics studies |
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| Authors: | Li Wang YuQing Wang Chuanxiao Peng Yanning Zhang |
| Institution: | aThe Key Laboratory of Liquid Structure and Heredity of Materials, Ministry of Education, Shandong University, Jinan 250061, PR China bJinan Railway Polytechnic Institute, Jinan 250001, PR China |
| Abstract: | In this Letter, structural properties of liquid Ni20Al80 have been studied through molecular dynamics (MD) simulations, and results agree well with X-ray experiments. The prepeak in the structure factor manifests the existence of medium-range structural order (MRSO) in liquid Ni20Al80. Analyses in MRSO reveal the dominance of ideal icosahedra and defective icosahedra which, furthermore, form clusters and share common atoms. |
| Keywords: | Liquid Ni20Al80 Medium-range structural order Icosahedra |
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