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Showing 1–9 of 9 results

Advanced filters: Author: D. McGonegle Clear advanced filters

The structure of liquid carbon elucidated by in situ X-ray diffraction

A precise structure measurement of liquid carbon at pressures of around 1 million atmospheres obtained by in situ X-ray diffraction at an X-ray free-electron laser shows a complex fluid with transient bonding and approximately four nearest neighbours on average.

D. Kraus
J. Rips
M. I. McMahon
ResearchOpen Access21 May 2025
Nature

Volume: 642, P: 351-355
Author Correction: Metastability of diamond ramp-compressed to 2 terapascals

A. Lazicki
D. McGonegle
J. S. Wark
Amendments and Corrections21 Apr 2022
Nature

Volume: 605, P: E1
Metastability of diamond ramp-compressed to 2 terapascals

X-ray diffraction measurements of solid carbon compressed to pressures of about two terapascals (approximately twenty million atmospheres) find that carbon retains a diamond structure even under these extreme conditions.

A. Lazicki
D. McGonegle
J. S. Wark
Research27 Jan 2021
Nature

Volume: 589, P: 532-535
Investigating off-Hugoniot states using multi-layer ring-up targets

D. McGonegle
P. G. Heighway
J. S. Wark
ResearchOpen Access06 Aug 2020
Scientific Reports

Volume: 10, P: 1-9
Inelastic response of silicon to shock compression

A. Higginbotham
P. G. Stubley
J. S. Wark
ResearchOpen Access13 Apr 2016
Scientific Reports

Volume: 6, P: 1-6
Experimental observation of open structures in elemental magnesium at terapascal pressures

Numerical studies have predicted that solids at extremely high pressures should exhibit changes in structure driven by quantum mechanical effects. These predictions have now been verified in magnesium.

M. G. Gorman
S. Elatresh
M. I. McMahon
ResearchOpen Access19 Sept 2022
Nature Physics

Volume: 18, P: 1307-1311
In situ X-ray diffraction measurement of shock-wave-driven twinning and lattice dynamics

In situ femtosecond X-ray diffraction measurements reveal that the dominant mechanism of shock-wave-driven deformation in tantalum changes from twinning to dislocation slip as pressure increases.

C. E. Wehrenberg
D. McGonegle
J. S. Wark
Research26 Oct 2017
Nature

Volume: 550, P: 496-499
An approach for the measurement of the bulk temperature of single crystal diamond using an X-ray free electron laser

A. Descamps
B. K. Ofori-Okai
E. E. McBride
ResearchOpen Access03 Sept 2020
Scientific Reports

Volume: 10, P: 1-10
Femtosecond diffraction studies of solid and liquid phase changes in shock-compressed bismuth

M. G. Gorman
A. L. Coleman
M. I. McMahon
ResearchOpen Access16 Nov 2018
Scientific Reports

Volume: 8, P: 1-8