Applied Physics Letters, volume 124, issue 15
High entropy metallic glasses, what does it mean?
Gennadii Afonin
1
,
Jichao Qiao
2
,
A S Makarov
1
,
R A Konchakov
1
,
E V Goncharova
1
,
N.P. Kobelev
3
,
Vitaly A. Khonik
1
1
Publication type: Journal Article
Publication date: 2024-04-08
Journal:
Applied Physics Letters
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor: 4
ISSN: 00036951, 10773118
Physics and Astronomy (miscellaneous)
Abstract
We performed calorimetric measurements on 30 bulk metallic glasses, each differing in their mixing entropies ΔSmix. On this basis, the excess entropies ΔS and excess enthalpies ΔH of glasses with respect to their maternal crystalline states are calculated. It is found that the excess entropy ΔS on the average decreases with increasing mixing entropy ΔSmix. This means that the so-called “high-entropy metallic glasses” (i.e., the glasses having highΔSmix) actually constitute glasses with low excess entropy ΔS. We predict that such glasses should have reduced relaxation ability. We also found that the excess enthalpy ΔH of glass linearly increases with its excess entropy ΔS, in line with a general thermodynamic estimate.
Top-30
Citations by journals
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1
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Journal of Alloys and Compounds
1 publication, 33.33%
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Journal of Non-Crystalline Solids
1 publication, 33.33%
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Intermetallics
1 publication, 33.33%
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1
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Citations by publishers
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1
2
3
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Elsevier
3 publications, 100%
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1
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3
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- We do not take into account publications without a DOI.
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- Statistics recalculated weekly.
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Afonin G. et al. High entropy metallic glasses, what does it mean? // Applied Physics Letters. 2024. Vol. 124. No. 15.
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Afonin G., Qiao J., Makarov A. S., Konchakov R. A., Goncharova E. V., Kobelev N., Khonik V. A. High entropy metallic glasses, what does it mean? // Applied Physics Letters. 2024. Vol. 124. No. 15.
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TY - JOUR
DO - 10.1063/5.0199955
UR - https://pubs.aip.org/apl/article/124/15/151905/3282232/High-entropy-metallic-glasses-what-does-it-mean
TI - High entropy metallic glasses, what does it mean?
T2 - Applied Physics Letters
AU - Afonin, Gennadii
AU - Qiao, Jichao
AU - Makarov, A S
AU - Konchakov, R A
AU - Goncharova, E V
AU - Kobelev, N.P.
AU - Khonik, Vitaly A.
PY - 2024
DA - 2024/04/08 00:00:00
PB - American Institute of Physics (AIP)
IS - 15
VL - 124
SN - 0003-6951
SN - 1077-3118
ER -
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@article{2024_Afonin,
author = {Gennadii Afonin and Jichao Qiao and A S Makarov and R A Konchakov and E V Goncharova and N.P. Kobelev and Vitaly A. Khonik},
title = {High entropy metallic glasses, what does it mean?},
journal = {Applied Physics Letters},
year = {2024},
volume = {124},
publisher = {American Institute of Physics (AIP)},
month = {apr},
url = {https://pubs.aip.org/apl/article/124/15/151905/3282232/High-entropy-metallic-glasses-what-does-it-mean},
number = {15},
doi = {10.1063/5.0199955}
}