期刊
PHYSICAL REVIEW LETTERS
卷 103, 期 7, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.103.075502
关键词
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资金
- Global COE for Materials Research and Education
- World Premier International Research Center Initiative, MEXT, Japan
- JASRI/SPring-8 [2007B1346, 2008A1482, 2008B1336]
We report the atomic structure of a multicomponent Cu45Zr45Ag10 bulk metallic glass investigated by state-of-the-art experimental and computational techniques. In comparison with a binary Cu50Zr50 metallic glass, Zr-rich interpenetrating clusters centered by paired and stringed Ag atoms and Cu-rich icosahedra are widely observed in the ternary Cu45Zr45Ag10 alloy. The atomic-scale heterogeneity caused by chemical short- and medium-range order is found to play a key role in stabilizing the liquid phase and in improving the glass forming ability of the multicomponent alloy.
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