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Title: Simulated Cu–Zr glassy alloys: the impact of composition on icosahedral order
Authors: Klumov, B. A.
Ryltsev, R. E.
Chtchelkatchev, N. M.
Issue Date: 2016
Publisher: Maik Nauka-Interperiodica Publishing
Citation: Klumov B. A. Simulated Cu–Zr glassy alloys: the impact of composition on icosahedral order / B. A. Klumov, R. E. Ryltsev, N. M. Chtchelkatchev. — DOI 10.1134/S0021364016200017 // JETP Letters. — 2016. — Vol. 104. — Iss. 8. — P. 546-551.
Abstract: The structural properties of the simulated CuαZr1-α glassy alloys are studied in the wide range of the copper concentration to clarify the impact of the composition on the number density of the icosahedral clusters. Both bond orientational order parameters and Voronoi tessellation methods are used to identify these clusters. Our analysis shows that abundance of the icosahedral clusters and the chemical composition of these clusters are essentially nonmonotonic versus and demonstrate local extrema. That qualitatively explains the existence of pinpoint compositions of high glass-forming ability observing in Cu Zr alloys. Finally, it has been shown that Voronoi method overestimates drastically the abundance of the icosahedral clusters in comparison with the bond orientational order parameters one. © 2016, Pleiades Publishing, Inc.
Access: info:eu-repo/semantics/openAccess
SCOPUS ID: 84991808716
PURE ID: 1410944
ISSN: 213640
DOI: 10.1134/S0021364016200017
Appears in Collections:Научные публикации, проиндексированные в SCOPUS и WoS CC

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