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Materials
Volume 18
Issue 16
10.3390/ma18163886
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Review

Role of Structural Changes at Vitrification and Glass–Liquid Transition

by
Michael I. Ojovan
1,* and
Dmitri V. Louzguine-Luzgin
2
1
School of Chemical, Materials and Biological Engineering, The University of Sheffield, Sheffield S1 3JD, UK
2
Advanced Institute for Materials Research (WPI-AIMR), Tohoku University, Sendai 980-8577, Japan
*
Author to whom correspondence should be addressed.
Materials 2025, 18(16), 3886; https://doi.org/10.3390/ma18163886
Submission received: 8 July 2025 / Revised: 12 August 2025 / Accepted: 14 August 2025 / Published: 19 August 2025
(This article belongs to the Section Advanced and Functional Ceramics and Glasses)
Versions Notes

Abstract

Structural rearrangements at calorimetric glass transition are behind drastic changes of material characteristics, causing differences between glasses and melts. Structural description of materials includes both species (atoms, molecules) and connecting bonds, which are directly affected by changing conditions such as the increase of temperature. At and above the glass transition a macroscopic percolation cluster made up of configurons (broken bonds) is formed, an account of which enables unambiguous structural differentiation of glasses from melts. Connection of transition caused by configuron percolation is also discussed in relation to the Noether theorem, Anderson localisation, and melting criteria of condensed matter.
Keywords: glass; melt; glass transition; configuron; Anderson localization; percolation; Hausdorff–Besicovitch dimension glass; melt; glass transition; configuron; Anderson localization; percolation; Hausdorff–Besicovitch dimension

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MDPI and ACS Style

Ojovan, M.I.; Louzguine-Luzgin, D.V. Role of Structural Changes at Vitrification and Glass–Liquid Transition. Materials 2025, 18, 3886. https://doi.org/10.3390/ma18163886

AMA Style

Ojovan MI, Louzguine-Luzgin DV. Role of Structural Changes at Vitrification and Glass–Liquid Transition. Materials. 2025; 18(16):3886. https://doi.org/10.3390/ma18163886

Chicago/Turabian Style

Ojovan, Michael I., and Dmitri V. Louzguine-Luzgin. 2025. "Role of Structural Changes at Vitrification and Glass–Liquid Transition" Materials 18, no. 16: 3886. https://doi.org/10.3390/ma18163886

APA Style

Ojovan, M. I., & Louzguine-Luzgin, D. V. (2025). Role of Structural Changes at Vitrification and Glass–Liquid Transition. Materials, 18(16), 3886. https://doi.org/10.3390/ma18163886

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