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 …

Liquid structure under extreme conditions: high-pressure x-ray diffraction studies

JWE Drewitt - Journal of Physics: Condensed Matter, 2021 - iopscience.iop.org
Under extreme conditions of high pressure and temperature, liquids can undergo substantial
structural transformations as their atoms rearrange to minimise energy within a more …

Degree of permanent densification in oxide glasses upon extreme compression up to 24 GPa at room temperature

SK Lee, KY Mun, YH Kim, J Lhee… - The Journal of …, 2020 - ACS Publications
During the decompression of plastically deformed glasses at room temperature, some
aspects of irreversible densification may be preserved. This densification has been primarily …

Ultrahigh‐Pressure Acoustic Velocities of Aluminous Silicate Glass up to 155 GPa With Implications for the Structure and Dynamics of the Deep Terrestrial Magma …

P Saha, M Murakami, C McCammon… - Geophysical …, 2023 - Wiley Online Library
We have carried out in situ high‐pressure acoustic velocity measurements of (Fe2+, Al)‐
bearing MgSiO3 glass up to pressures of 155 GPa, which confirmed a distinct pressure …

Coordination Changes in Densified Aluminate Glass upon Compression up to 65 GPa: A View from Solid-State Nuclear Magnetic Resonance

S Li, JJ Kweon, S Lee, AC Lee… - The Journal of Physical …, 2023 - ACS Publications
Deciphering the structural evolution in irreversibly densified oxide glasses is crucial for
fabricating functional glasses with tunable properties and elucidating the nature of pressure …

Iron and silicon isotope fractionation in silicate melts using first-principles molecular dynamics

S Rabin, M Blanchard, C Pinilla, F Poitrasson… - … et Cosmochimica Acta, 2023 - Elsevier
The direct determination of silicate melts iron and silicon isotopes signature remains a major
challenge of high-temperature isotope geochemistry. For this reason, melts are often …

Molecular simulations of oxide and silicate melts and glasses

S Jahn - Reviews in Mineralogy and Geochemistry, 2022 - pubs.geoscienceworld.org
The last twenty-five years have seen a tremendous increase in computing power. It is
therefore not surprising that computer simulations of melts and glasses have become an …

[HTML][HTML] Structural, mechanical, electronic and thermodynamic analysis of calcium aluminum silicate crystalline phases in stone wool insulation materials: A first …

TH Ho, NH Hoang, Ø Wilhelmsen, TT Trinh - Materials Today …, 2024 - Elsevier
Stone wool materials have gained considerable attention due to their effectiveness as
thermal and acoustic insulation solutions. The comprehension of crystal structure properties …

Ultrasonic velocity of diopside liquid at high pressure and temperature: Constraints on velocity reduction in the upper mantle due to partial melts

M Xu, Z Jing, J Chantel, P Jiang, T Yu… - Journal of Geophysical …, 2018 - Wiley Online Library
Sound velocities of diopside liquid were determined at high pressures and temperatures up
to 3.8 GPa and 2375 K, using the ultrasonic technique combined with synchrotron X‐ray …

The crucial role of transient tri-coordinated oxygen in the flow of silicate melts

L Gao, X Liu, J Bai, B Chen, M Wu, L Kong… - Physical Chemistry …, 2024 - pubs.rsc.org
The transport properties of high-temperature silicate melts control magma flow and are
crucial for a wide variety of industrial processes involving minerals. However, anomalous …