Journal
PHYSICAL REVIEW LETTERS
Volume 109, Issue 10, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.109.105502
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Funding
- National Natural Science Foundation of China [10805027, 10979002, 50920105101, 51071141, 51050110136, 10904127]
- Natural Science Foundation of Jiangsu Province [BK2011071]
- NUAA Research Funding [NS2010168]
- Funding for Outstanding Doctoral Dissertation in NUAA [BCXJ12-08]
- National Key Basic Research Program of China [2012CB825700]
- Zhejiang University-Helmholtz cooperation fund
- fundamental research funds for the central Universities
- U.S. National Science Foundation [CMMI-0900271, DMR-0909037, CMMI-1100080]
- Slovak Grant Agency for Science [2/0167/10]
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [909037] Funding Source: National Science Foundation
- Directorate For Engineering
- Div Of Civil, Mechanical, & Manufact Inn [1100080, 0900271] Funding Source: National Science Foundation
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The issue, composition dependence of glass-forming ability (GFA) in metallic glasses (MG), has been investigated by systematic experimental measurements coupled with theoretical calculations in Cu-Zr and Ni-Nb alloy systems. It is found that the atomic-level packing efficiency strongly relates to their GFA. The best GFA is located at the largest difference in the packing efficiency of the solute-centered clusters between the glassy and crystal alloys in both MG systems. This work provides an understanding of GFA from atomic level and will shed light on the development of new MGs with larger critical sizes.
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