Relation of the Fragility of Metallic Glasses with the Mixing Entropy and Excess Entropy with Respect to the Maternal Crystal

R. A. Konchakov; A. S. Makarov; G. V. Afonin; J. C. Qiao; N. P. Kobelev; V. A. Khonik

doi:10.1134/S0021364024600393

Relation of the Fragility of Metallic Glasses with the Mixing Entropy and Excess Entropy with Respect to the Maternal Crystal

R. A. Konchakov
, A. S. Makarov
, G. V. Afonin
, J. C. Qiao
, N. P. Kobelev
, V. A. Khonik

力学与土木建筑学院

Voronezh State Pedagogical University
Russian Academy of Sciences

科研成果: 期刊稿件 › 文章 › 同行评审

4 引用（Scopus）

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The excess entropy ΔS with respect to the maternal crystal has been determined for 18 metallic glasses differing in the mixing entropy ΔS_mix. Using these data, thermodynamic fragility m_ΔS has been determined within the Adam–Gibbs model. It has been shown that m_ΔS increases with ΔS_mix but decreases with increasing ΔS, which reflects the degree of structural disorder in a glass. It has been concluded that the so-called “high-entropy glasses” (i.e., having high ΔS_mix) are indeed most ordered and their properties are characterized by the slowest relaxation.

源语言	英语
页（从-至）	458-463
页数	6
期刊	JETP Letters
卷	119
期	6
DOI	https://doi.org/10.1134/S0021364024600393
出版状态	已出版 - 3月 2024

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title = "Relation of the Fragility of Metallic Glasses with the Mixing Entropy and Excess Entropy with Respect to the Maternal Crystal",

abstract = "The excess entropy ΔS with respect to the maternal crystal has been determined for 18 metallic glasses differing in the mixing entropy ΔSmix. Using these data, thermodynamic fragility mΔS has been determined within the Adam{\textendash}Gibbs model. It has been shown that mΔS increases with ΔSmix but decreases with increasing ΔS, which reflects the degree of structural disorder in a glass. It has been concluded that the so-called {\textquotedblleft}high-entropy glasses{\textquotedblright} (i.e., having high ΔSmix) are indeed most ordered and their properties are characterized by the slowest relaxation.",

author = "Konchakov, \{R. A.\} and Makarov, \{A. S.\} and Afonin, \{G. V.\} and Qiao, \{J. C.\} and Kobelev, \{N. P.\} and Khonik, \{V. A.\}",

note = "Publisher Copyright: {\textcopyright} Pleiades Publishing, Ltd. 2024.",

year = "2024",

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doi = "10.1134/S0021364024600393",

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T1 - Relation of the Fragility of Metallic Glasses with the Mixing Entropy and Excess Entropy with Respect to the Maternal Crystal

AU - Konchakov, R. A.

AU - Makarov, A. S.

AU - Afonin, G. V.

AU - Qiao, J. C.

AU - Kobelev, N. P.

AU - Khonik, V. A.

PY - 2024/3

Y1 - 2024/3

N2 - The excess entropy ΔS with respect to the maternal crystal has been determined for 18 metallic glasses differing in the mixing entropy ΔSmix. Using these data, thermodynamic fragility mΔS has been determined within the Adam–Gibbs model. It has been shown that mΔS increases with ΔSmix but decreases with increasing ΔS, which reflects the degree of structural disorder in a glass. It has been concluded that the so-called “high-entropy glasses” (i.e., having high ΔSmix) are indeed most ordered and their properties are characterized by the slowest relaxation.

AB - The excess entropy ΔS with respect to the maternal crystal has been determined for 18 metallic glasses differing in the mixing entropy ΔSmix. Using these data, thermodynamic fragility mΔS has been determined within the Adam–Gibbs model. It has been shown that mΔS increases with ΔSmix but decreases with increasing ΔS, which reflects the degree of structural disorder in a glass. It has been concluded that the so-called “high-entropy glasses” (i.e., having high ΔSmix) are indeed most ordered and their properties are characterized by the slowest relaxation.

UR - https://www.scopus.com/pages/publications/85190066107

U2 - 10.1134/S0021364024600393

DO - 10.1134/S0021364024600393

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SN - 0021-3640

VL - 119

SP - 458

EP - 463

JO - JETP Letters

JF - JETP Letters

IS - 6

ER -

Relation of the Fragility of Metallic Glasses with the Mixing Entropy and Excess Entropy with Respect to the Maternal Crystal

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