Nanocrystal Model for Liquid Metals and Amorphous Metals

材料科学技术（英）, 2010, 26(1): 69-74.

^1, , ^2, , ^3, , ^4, , ^5,

1.Key Laboratory of Liquid Structure and Heredity of Materials,Ministry of Education,Shandong University,Jinan 250061,China

2.Key Laboratory of Liquid Structure and Heredity of Materials,Ministry of Education,Shandong University,Jinan 250061,China

3.Key Laboratory of Liquid Structure and Heredity of Materials,Ministry of Education,Shandong University,Jinan 250061,China

4.Key Laboratory of Liquid Structure and Heredity of Materials,Ministry of Education,Shandong University,Jinan 250061,China

5.Key Laboratory of Liquid Structure and Heredity of Materials,Ministry of Education,Shandong University,Jinan 250061,China

基金项目: 国家自然科学基金(50971083;50395101;50571052)

Nanocrystal Model for Liquid Metals and Amorphous Metals

X.L.Tian ^1, , C.W.Zhan ^2, , J.X.Hou ^3, , X.C.Chen ^4, , J.J.Sun ^5,

1.Key Laboratory of Liquid Structure and Heredity of Materials,Ministry of Education,Shandong University,Jinan 250061,China

2.Key Laboratory of Liquid Structure and Heredity of Materials,Ministry of Education,Shandong University,Jinan 250061,China

3.Key Laboratory of Liquid Structure and Heredity of Materials,Ministry of Education,Shandong University,Jinan 250061,China

4.Key Laboratory of Liquid Structure and Heredity of Materials,Ministry of Education,Shandong University,Jinan 250061,China

5.Key Laboratory of Liquid Structure and Heredity of Materials,Ministry of Education,Shandong University,Jinan 250061,China

Keywords： Liquid metal

A nanocrystal model for liquid metals and amorphous metals has been developed. With the nanocrystal model, the broadening peak profiles (BPPs) of Cu, Al, Al_(65)Cu_(20)Fe_(15) alloy, Cu_(70)Ni_(30) alloy and Fe_(50)Si_(50) alloy were gained by broadening the X-ray diffraction (XRD) peaks of a crystal lattice. By comparing the BPPs with the XRD intensity curves measured on the liquid metals, it is found that the BPPs are closely in agreement with the XRD intensity curves, respectively, except the Fe_(50)Si_(50) alloy. Therefore, the nanocrystal model can be used to determine if the atomic cluster structure of the liquid metal is similar to the structure of its crystal lattice.

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