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Title: Second-Nearest-Neighbor Correlations from Connection of Atomic Packing Motifs in Metallic Glasses and Liquids

Abstract

Using molecular dynamics simulations, we have studied the atomic correlations characterizing the second peak in the radial distribution function (RDF) of metallic glasses and liquids. The analysis was conducted from the perspective of different connection schemes of atomic packing motifs, based on the number of shared atoms between two linked coordination polyhedra. The results demonstrate that the cluster connections by face-sharing, specifically with three common atoms, are most favored when transitioning from the liquid to glassy state, and exhibit the stiffest elastic response during shear deformation. These properties of the connections and the resultant atomic correlations are generally the same for different types of packing motifs in different alloys. Splitting of the second RDF peak was observed for the inherent structure of the equilibrium liquid, originating solely from cluster connections; this trait can then be inherited in the metallic glass formed via subsequent quenching of the parent liquid through the glass transition, in the absence of any additional type of local structural order. Increasing ordering and cluster connection during cooling, however, may tune the position and intensity of the split peaks.

Authors:
 [1];  [2];  [3];  [3]
  1. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Materials Sciences Division
  2. Johns Hopkins Univ., Baltimore, MD (United States)
  3. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Materials Sciences Division; Univ. of California, Berkeley, CA (United States)
Publication Date:
Research Org.:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1256063
Alternate Identifier(s):
OSTI ID: 1378659
Grant/Contract Number:  
AC02-05CH11231; DMR-1505621
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Scientific Reports
Additional Journal Information:
Journal Volume: 5; Journal ID: ISSN 2045-2322
Publisher:
Nature Publishing Group
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Ding, Jun, Ma, Evan, Asta, Mark, and Ritchie, Robert O. Second-Nearest-Neighbor Correlations from Connection of Atomic Packing Motifs in Metallic Glasses and Liquids. United States: N. p., 2015. Web. doi:10.1038/srep17429.
Ding, Jun, Ma, Evan, Asta, Mark, & Ritchie, Robert O. Second-Nearest-Neighbor Correlations from Connection of Atomic Packing Motifs in Metallic Glasses and Liquids. United States. https://doi.org/10.1038/srep17429
Ding, Jun, Ma, Evan, Asta, Mark, and Ritchie, Robert O. 2015. "Second-Nearest-Neighbor Correlations from Connection of Atomic Packing Motifs in Metallic Glasses and Liquids". United States. https://doi.org/10.1038/srep17429. https://www.osti.gov/servlets/purl/1256063.
@article{osti_1256063,
title = {Second-Nearest-Neighbor Correlations from Connection of Atomic Packing Motifs in Metallic Glasses and Liquids},
author = {Ding, Jun and Ma, Evan and Asta, Mark and Ritchie, Robert O.},
abstractNote = {Using molecular dynamics simulations, we have studied the atomic correlations characterizing the second peak in the radial distribution function (RDF) of metallic glasses and liquids. The analysis was conducted from the perspective of different connection schemes of atomic packing motifs, based on the number of shared atoms between two linked coordination polyhedra. The results demonstrate that the cluster connections by face-sharing, specifically with three common atoms, are most favored when transitioning from the liquid to glassy state, and exhibit the stiffest elastic response during shear deformation. These properties of the connections and the resultant atomic correlations are generally the same for different types of packing motifs in different alloys. Splitting of the second RDF peak was observed for the inherent structure of the equilibrium liquid, originating solely from cluster connections; this trait can then be inherited in the metallic glass formed via subsequent quenching of the parent liquid through the glass transition, in the absence of any additional type of local structural order. Increasing ordering and cluster connection during cooling, however, may tune the position and intensity of the split peaks.},
doi = {10.1038/srep17429},
url = {https://www.osti.gov/biblio/1256063}, journal = {Scientific Reports},
issn = {2045-2322},
number = ,
volume = 5,
place = {United States},
year = {Mon Nov 30 00:00:00 EST 2015},
month = {Mon Nov 30 00:00:00 EST 2015}
}

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Works referencing / citing this record:

Polyamorphic Transformations in Fe-Ni-C Liquids: Implications for Chemical Evolution of Terrestrial Planets: Fe-Ni-C liquid structural change
journal, December 2017


Dependence of fullerene aggregation on lipid saturation due to a balance between entropy and enthalpy
journal, January 2019


Signatures of structural differences in Pt–P- and Pd–P-based bulk glass-forming liquids
journal, July 2019


A comparative study of Sm networks in Al-10 at.%Sm glass and associated crystalline phases
journal, January 2018


Signatures of structural differences in Pt–P- and Pd–P-based bulk glass-forming liquids
text, January 2019


Dependence of fullerene aggregation on lipid saturation due to a balance between entropy and enthalpy
journal, January 2019