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Nanoscale Structure and Structural Relaxation in Zr50Cu45Al5 Bulk Metallic Glass
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Date
2012-05-11
Author
HWANG, Jinwoo
MELGAREJO, Z. H.
Kalay, Yunus Eren
KALAY, I.
KRAMER, M. J.
STONE, D. S.
VOYLES, P. M.
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Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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Hybrid reverse Monte Carlo simulations of the structure of Zr50Cu45Al5 bulk metallic glass incorporating medium-range structure from fluctuation electron microscopy data and short-range structure from an embedded atom potential produce structures with significant fractions of icosahedral- and crystal-like atomic clusters. Similar clusters group together into nanometer-scale regions, and relaxation transforms crystal-like clusters into icosahedral clusters. A model refined against only the potential does not agree with the fluctuation microscopy data and contains few crystal-like clusters.
Subject Keywords
Medium-range order
,
Monte-carlo algorithm
,
Fluctuation microscopy
,
Forming liquids
,
Atomic packing
,
Transition
,
Model
,
Probe
URI
https://hdl.handle.net/11511/34827
Journal
PHYSICAL REVIEW LETTERS
DOI
https://doi.org/10.1103/physrevlett.108.195505
Collections
Department of Metallurgical and Materials Engineering, Article