Beyond the average: spatial and temporal fluctuations in oxide glass-forming systems

KA Kirchner, DR Cassar, ED Zanotto, M Ono… - Chemical …, 2022 - ACS Publications
Atomic structure dictates the performance of all materials systems; the characteristic of
disordered materials is the significance of spatial and temporal fluctuations on composition …

From short to medium range order in glasses and melts by diffraction and Raman spectroscopy

JWE Drewitt, L Hennet… - Reviews in Mineralogy …, 2022 - pubs.geoscienceworld.org
The structure of glasses and the melts from which they are formed is intrinsically disordered,
making their structural characterization difficult. Whilst the structure of solid minerals can be …

Ultrahard bulk amorphous carbon from collapsed fullerene

Y Shang, Z Liu, J Dong, M Yao, Z Yang, Q Li, C Zhai… - Nature, 2021 - nature.com
Amorphous materials inherit short-and medium-range order from the corresponding crystal
and thus preserve some of its properties while still exhibiting novel properties,. Due to its …

Revealing the relationship between liquid fragility and medium-range order in silicate glasses

Y Shi, B Deng, O Gulbiten, M Bauchy, Q Zhou… - Nature …, 2023 - nature.com
Despite decades of studies, the nature of the glass transition remains elusive. In particular,
the sharpness of the dynamical arrest of a melt at the glass transition is captured by its …

Experimental method to quantify the ring size distribution in silicate glasses and simulation validation thereof

Q Zhou, Y Shi, B Deng, J Neuefeind, M Bauchy - Science advances, 2021 - science.org
Silicate glasses have no long-range order and exhibit a short-range order that is often fairly
similar to that of their crystalline counterparts. Hence, the out-of-equilibrium nature of …

Revealing hidden medium-range order in amorphous materials using topological data analysis

SS Sørensen, CAN Biscio, M Bauchy, L Fajstrup… - Science …, 2020 - science.org
Despite the numerous technological applications of amorphous materials, such as glasses,
the understanding of their medium-range order (MRO) structure—and particularly the origin …

Machine learning molecular dynamics reveals the structural origin of the first sharp diffraction peak in high-density silica glasses

K Kobayashi, M Okumura, H Nakamura, M Itakura… - Scientific Reports, 2023 - nature.com
The first sharp diffraction peak (FSDP) in the total structure factor has long been regarded as
a characteristic feature of medium-range order (MRO) in amorphous materials with a …

Revealing the structural role of MgO in aluminosilicate glasses

B Deng, Y Shi, Q Zhou, M Bauchy - Acta Materialia, 2022 - Elsevier
The addition of MgO to aluminosilicate glasses usually leads to significant changes for many
macroscopic properties. The underlying microscopic structure origin of this effect, however …

Mechanical properties and damage analysis of S-glass: A reactive molecular dynamics study

J Yeon, SC Chowdhury, JW Gillespie Jr - Composites Part B: Engineering, 2022 - Elsevier
Glass fibers are widely used as reinforcements in composites for applications ranging from
lightweight and damage tolerant structures to protective materials providing high levels of …

Direct observation of the atomic density fluctuation originating from the first sharp diffraction peak in SiO2 glass

A Hirata, S Sato, M Shiga, Y Onodera, K Kimoto… - NPG Asia …, 2024 - nature.com
The intermediate-range order of covalently bonded glasses has been extensively studied in
terms of their diffraction peaks observed at low scattering angles; these peaks are called the …