From short to medium range order in glasses and melts by diffraction and Raman spectroscopy
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 …
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 …
structural transformations as their atoms rearrange to minimise energy within a more …
Percolation transitions in compressed SiO2 glasses
Amorphous–amorphous transformations under pressure are generally explained by
changes in the local structure from low-to higher-fold coordinated polyhedra,,–. However, as …
changes in the local structure from low-to higher-fold coordinated polyhedra,,–. However, as …
Structural Evolution of Glass with Si Coordination Number Greater than 6
Pair distribution function measurement of SiO 2 glass up to 120 GPa reveals changes in the
first-, second-, and third-neighbor distances associated with an increase in Si coordination …
first-, second-, and third-neighbor distances associated with an increase in Si coordination …
Non‐isotropic contraction and expansion of samples in diamond anvil cells: Implications for thermal conductivity at the core‐mantle boundary
The thermal conductivities of mantle and core materials have a major impact on planetary
evolution, but their experimental determination requires precise knowledge of sample …
evolution, but their experimental determination requires precise knowledge of sample …
Metastable silica high pressure polymorphs as structural proxies of deep Earth silicate melts
Modelling of processes involving deep Earth liquids requires information on their structures
and compression mechanisms. However, knowledge of the local structures of silicates and …
and compression mechanisms. However, knowledge of the local structures of silicates and …
In situ X-ray diffraction of silicate liquids and glasses under dynamic and static compression to megabar pressures
Properties of liquid silicates under high-pressure and high-temperature conditions are
critical for modeling the dynamics and solidification mechanisms of the magma ocean in the …
critical for modeling the dynamics and solidification mechanisms of the magma ocean in the …
Oxygen Quadclusters in Glass above Megabar Pressures up to 160 GPa Revealed by X-Ray Raman Scattering
As oxygen may occupy a major volume of oxides, a densification of amorphous oxides
under extreme compression is dominated by reorganization of oxygen during compression …
under extreme compression is dominated by reorganization of oxygen during compression …
Structural evolution of basaltic melts in the deep Earth: Insights from high‐pressure sound velocity of glass
The densification mechanisms of silicate melts under high pressure are of key interest in
understanding the evolution of the early Earth and its present‐day internal structure. Here …
understanding the evolution of the early Earth and its present‐day internal structure. Here …
Structural dynamics of basaltic melt at mantle conditions with implications for magma oceans and superplumes
Transport properties like diffusivity and viscosity of melts dictated the evolution of the Earth's
early magma oceans. We report the structure, density, diffusivity, electrical conductivity and …
early magma oceans. We report the structure, density, diffusivity, electrical conductivity and …