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Title: Structural crossover in a supercooled metallic liquid and the link to a liquid-to-liquid phase transition

Abstract

Time-resolved synchrotron measurements were carried out to capture the structure evolution of an electrostatically levitated metallic-glass-forming liquid during free cooling. The experimental data shows a crossover in the liquid structure at ~1000 K, about 115 K below the melting temperature and 150 K above the crystallization temperature. The structure change is characterized by a dramatic growth in the extended-range order below the crossover temperature. Molecular dynamics simulations have identified that the growth of the extended-range order was due to an increased correlation between solute atoms. These results provide structural evidence for a liquid-to-liquid-phase-transition in the supercooled metallic liquid.

Authors:
 [1]; ORCiD logo [2];  [3]; ORCiD logo [1];  [1]; ORCiD logo [1]
  1. City Univ. of Hong Kong (Hong Kong)
  2. Department of Physics and Institute of Materials Science and Engineering, Washington University One Brookings Drive, St. Louis, Missouri 63130-4899, USA
  3. Washington Univ., St. Louis, MO (United States)
Publication Date:
Research Org.:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1255301
Alternate Identifier(s):
OSTI ID: 1254369
Grant/Contract Number:  
AC02-06CH11357
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Applied Physics Letters
Additional Journal Information:
Journal Volume: 108; Journal Issue: 21; Journal ID: ISSN 0003-6951
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
ENGLISH
Subject:
74 ATOMIC AND MOLECULAR PHYSICS; Molecular dynamics; Atomic and molecular clusters; Viscous liquid; Nanocrystals; Glass transitions; Electrostatics; Classical statistical mechanics; Amorphous materials; Synchrotron X-ray diffraction; Phase transitions

Citation Formats

Lan, S., Blodgett, M., Kelton, K. F., Ma, J. L., Fan, J., and Wang, X. L. Structural crossover in a supercooled metallic liquid and the link to a liquid-to-liquid phase transition. United States: N. p., 2016. Web. doi:10.1063/1.4952724.
Lan, S., Blodgett, M., Kelton, K. F., Ma, J. L., Fan, J., & Wang, X. L. Structural crossover in a supercooled metallic liquid and the link to a liquid-to-liquid phase transition. United States. https://doi.org/10.1063/1.4952724
Lan, S., Blodgett, M., Kelton, K. F., Ma, J. L., Fan, J., and Wang, X. L. 2016. "Structural crossover in a supercooled metallic liquid and the link to a liquid-to-liquid phase transition". United States. https://doi.org/10.1063/1.4952724. https://www.osti.gov/servlets/purl/1255301.
@article{osti_1255301,
title = {Structural crossover in a supercooled metallic liquid and the link to a liquid-to-liquid phase transition},
author = {Lan, S. and Blodgett, M. and Kelton, K. F. and Ma, J. L. and Fan, J. and Wang, X. L.},
abstractNote = {Time-resolved synchrotron measurements were carried out to capture the structure evolution of an electrostatically levitated metallic-glass-forming liquid during free cooling. The experimental data shows a crossover in the liquid structure at ~1000 K, about 115 K below the melting temperature and 150 K above the crystallization temperature. The structure change is characterized by a dramatic growth in the extended-range order below the crossover temperature. Molecular dynamics simulations have identified that the growth of the extended-range order was due to an increased correlation between solute atoms. These results provide structural evidence for a liquid-to-liquid-phase-transition in the supercooled metallic liquid.},
doi = {10.1063/1.4952724},
url = {https://www.osti.gov/biblio/1255301}, journal = {Applied Physics Letters},
issn = {0003-6951},
number = 21,
volume = 108,
place = {United States},
year = {Wed May 25 00:00:00 EDT 2016},
month = {Wed May 25 00:00:00 EDT 2016}
}

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Cited by: 52 works
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Works referenced in this record:

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