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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2021, Volume 113, Issue 5, Pages 341–347
DOI: https://doi.org/10.31857/S1234567821050086 (Mi jetpl6380) 		 
This article is cited in 9 scientific papers (total in 9 papers)

CONDENSED MATTER

On the mechanism of melting in simple metals

R. A. Konchakova, A. S. Makarova, A. S. Aroninab, N. P. Kobelevb, V. A. Khonika

a Voronezh State Pedagogical University, Voronezh, 394043 Russia
b Institute of Solid State Physics, Russian Academy of Sciences, Chernogolovka, Moscow region, 142432 Russia
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DOI: https://doi.org/10.31857/S1234567821050086
Abstract: Molecular dynamics simulations of aluminum demonstrate a significant increase in the vibrational entropy of formation of interstitial defects having the dumbbell configuration near the melting point $T_m$. Using this result and estimating the density of such defects in the melt by three independent methods, the configurational component of the entropy of the system with defects is determined. It is found that about 70% of the total entropy of melting (and, hence, of the heat of fusion) observed in experiments can be attributed to the generation of interstitial dumbbells at $T=T_m$.
Funding agency Grant number
Russian Science Foundation 20-62-46003
This work was supported by the Russian Science Foundation (project no 20-62-46003).
Received: 21.01.2021
Revised: 21.01.2021
Accepted: 04.02.2021
English version:
Journal of Experimental and Theoretical Physics Letters, 2021, Volume 113, Issue 5, Pages 345–351
DOI: https://doi.org/10.1134/S0021364021050064
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: R. A. Konchakov, A. S. Makarov, A. S. Aronin, N. P. Kobelev, V. A. Khonik, “On the mechanism of melting in simple metals”, Pis'ma v Zh. Èksper. Teoret. Fiz., 113:5 (2021), 341–347; JETP Letters, 113:5 (2021), 345–351
Citation in format AMSBIB
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    • This publication is cited in the following 9 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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