Atomic-scale heterogeneity of a multicomponent bulk metallic glass with excellent glass forming ability

T. Fujita, K. Konno, W. Zhang, V. Kumar, M. Matsuura, A. Inoue, T. Sakurai, M. W. Chen

研究成果: Article査読

161 被引用数 (Scopus)

抄録

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.

本文言語English
論文番号075502
ジャーナルPhysical review letters
103
7
DOI
出版ステータスPublished - 2009 8 12

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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