Diamond formation kinetics in shock-compressed C─ H─ O samples recorded by small-angle x-ray scattering and x-ray diffraction
Z He, M Rödel, J Lütgert, A Bergermann… - Science …, 2022 - science.org
Extreme conditions inside ice giants such as Uranus and Neptune can result in peculiar
chemistry and structural transitions, eg, the precipitation of diamonds or superionic water, as …
chemistry and structural transitions, eg, the precipitation of diamonds or superionic water, as …
Characterizing the ionization potential depression in dense carbon plasmas with high-precision spectrally resolved x-ray scattering
We discuss the possibility of obtaining highly precise measurements of the ionization
potential depression in dense plasmas with spectrally resolved x-ray scattering, while …
potential depression in dense plasmas with spectrally resolved x-ray scattering, while …
Ab initio study of shock-compressed copper
We investigate shock-compressed copper in the warm dense matter regime by means of
density functional theory molecular dynamics simulations. We use neural-network-driven …
density functional theory molecular dynamics simulations. We use neural-network-driven …
Demonstration of X-ray Thomson scattering as diagnostics for miscibility in warm dense matter
S Frydrych, J Vorberger, NJ Hartley… - Nature …, 2020 - nature.com
The gas and ice giants in our solar system can be seen as a natural laboratory for the
physics of highly compressed matter at temperatures up to thousands of kelvins. In turn, our …
physics of highly compressed matter at temperatures up to thousands of kelvins. In turn, our …
Demonstration of an x-ray Raman spectroscopy setup to study warm dense carbon at the high energy density instrument of European XFEL
K Voigt, M Zhang, K Ramakrishna, A Amouretti… - Physics of …, 2021 - pubs.aip.org
We present a proof-of-principle study demonstrating x-ray Raman Spectroscopy (XRS) from
carbon samples at ambient conditions in conjunction with other common diagnostics to …
carbon samples at ambient conditions in conjunction with other common diagnostics to …
Indirect evidence for elemental hydrogen in laser-compressed hydrocarbons
We demonstrate a significantly simplified experimental approach for investigating liquid
metallic hydrogen, which is crucial to understand the internal structure and evolution of giant …
metallic hydrogen, which is crucial to understand the internal structure and evolution of giant …
Direct imaging of ultrafast lattice dynamics
Under rapid high-temperature, high-pressure loading, lattices exhibit complex elastic-
inelastic responses. The dynamics of these responses are challenging to measure …
inelastic responses. The dynamics of these responses are challenging to measure …
[HTML][HTML] Toward using collective x-ray Thomson scattering to study C–H demixing and hydrogen metallization in warm dense matter conditions
D Ranjan, K Ramakrishna, K Voigt, OS Humphries… - Physics of …, 2023 - pubs.aip.org
The insulator–metal transition in liquid hydrogen is an important phenomenon to understand
the interiors of gas giants, such as Jupiter and Saturn, as well as the physical and chemical …
the interiors of gas giants, such as Jupiter and Saturn, as well as the physical and chemical …
Speed of sound in methane under conditions of planetary interiors
We present direct observations of acoustic waves in warm dense matter. We analyze wave-
number-and energy-resolved x-ray spectra taken from warm dense methane created by …
number-and energy-resolved x-ray spectra taken from warm dense methane created by …
Measuring the structure and equation of state of polyethylene terephthalate at megabar pressures
J Lütgert, J Vorberger, NJ Hartley, K Voigt, M Rödel… - Scientific reports, 2021 - nature.com
We present structure and equation of state (EOS) measurements of biaxially orientated
polyethylene terephthalate (PET,(C 10 H 8 O 4) n, also called mylar) shock-compressed to …
polyethylene terephthalate (PET,(C 10 H 8 O 4) n, also called mylar) shock-compressed to …