Materials under extreme conditions using large X-ray facilities

S Pascarelli, M McMahon, C Pépin, O Mathon… - Nature Reviews …, 2023 - nature.com
Active research is ongoing that investigates the properties of matter under extreme pressure.
Such condensed matter is found inside planets at millions of atmospheres and thousands of …

[HTML][HTML] Invited article: X-ray phase contrast imaging in inertial confinement fusion and high energy density research

DS Montgomery - Review of Scientific Instruments, 2023 - pubs.aip.org
X-ray phase contrast imaging (XPCI) provides enhanced image contrast beyond absorption-
based x-ray imaging alone due to refraction and diffraction from gradients in the object …

Transonic dislocation propagation in diamond

K Katagiri, T Pikuz, L Fang, B Albertazzi, S Egashira… - Science, 2023 - science.org
The motion of line defects (dislocations) has been studied for more than 60 years, but the
maximum speed at which they can move is unresolved. Recent models and atomistic …

High-harmonic spectroscopy of coherent lattice dynamics in graphene

N Rana, MS Mrudul, D Kartashov, M Ivanov, G Dixit - Physical Review B, 2022 - APS
High-harmonic spectroscopy of solids is a powerful tool, which provides access to both
electronic structure and ultrafast electronic response of solids, from their band structure and …

Multi-frame, ultrafast, x-ray microscope for imaging shockwave dynamics

DS Hodge, AFT Leong, S Pandolfi, K Kurzer-Ogul… - Optics …, 2022 - opg.optica.org
Inertial confinement fusion (ICF) holds increasing promise as a potential source of abundant,
clean energy, but has been impeded by defects such as micro-voids in the ablator layer of …

Tunable x-ray free electron laser multi-pulses with nanosecond separation

FJ Decker, KL Bane, W Colocho, S Gilevich… - Scientific Reports, 2022 - nature.com
Abstract X-ray Free Electron Lasers provide femtosecond x-ray pulses with narrow
bandwidth and unprecedented peak brightness. Special modes of operation have been …

Probing phonon-driven symmetry alterations in graphene via high-order-harmonic spectroscopy

N Rana, G Dixit - Physical Review A, 2022 - APS
High-order-harmonic spectroscopy has become an essential ingredient in probing various
ultrafast electronic processes in solids with subcycle temporal resolution. Despite its …

Multiple structural phase transitions in single crystal silicon subjected to dynamic loading

L Feng, X Zhang, W Li, M Liu, X Yao - Scripta Materialia, 2024 - Elsevier
Abstract Single crystal Silicon (SC Si), as one of the most extensively used elements, has a
series of complex phase changes, however, it is not fully understood under dynamic loading …

Atomistic deformation mechanism of silicon under laser-driven shock compression

S Pandolfi, SB Brown, PG Stubley… - Nature …, 2022 - nature.com
Silicon (Si) is one of the most abundant elements on Earth, and it is the most widely used
semiconductor. Despite extensive study, some properties of Si, such as its behaviour under …

Recent advances in imaging of light propagation with light-in-flight recording by holography

T Inoue, T Kakue, K Nishio, T Kubota, O Matoba… - Ultrafast …, 2023 - spj.science.org
In the last few decades, there have been several advances in ultrafast imaging of light
propagation with light-in-flight recording by holography (LIF holography), which can capture …