activity
20112026
most citedDecaying shock studies of phase transitions in MgOSiO2 systems: implications for the Super-Earths interiors

71 citations · 170 across the 15 of their papers we have counts for

collaborators

16 papers

cond-mat.mtrl-sci2026

Cumulative X-ray Damage in Bismuth Selenide Examined by Simultaneous TXM and XRD

Sophie E Parsons, Bernard Kozioziemski, Daewoong Nam +21

Bismuth selenide (Bi2Se3) is a topological insulator with potential applications in thermoelectrics, spintronics, and optoelectronics. However, its response to radiation remains po…

physics.plasm-ph2026

Pulse magnet of 10 T for power laser experiments with x-ray free-electron laser diagnostics

Akihiko Ikeda, Kosuke Noda, Yutaro Yamanaka +22

The importance of investigating magnetized plasmas/solids in extreme conditions has grown over the last decades, particularly in the field of high energy density physics (HEDP), su…

cond-mat.mtrl-sci2026

High Entropy Alloy under Shock Compression: Optical-Pump X-Ray-Probe

Hsin Hui Huang, Meguya Ryu, Shuji Kamegaki +23

High entropy alloys (HEAs) are multi-principal-element alloys designed for tailorable mechanical performance and have been attracting significant engineering interest, yet their fu…

cond-mat.mtrl-sci2025

Structural evolution of iron oxides melts at Earth's outer-core pressures

Céline Crépisson, Mila Fitzgerald, Domenic Peake +32

Oxygen and other light elements comprise up to 5 wt% of the Earth's outer-core, and may significantly influence its physical properties and the operation of the geodynamo. Here we…

cond-mat.mtrl-sci2025★ 2 cited

Phase transitions of eutectic high entropy alloy AlCoCrFeNi2.1 under shock compression

Sophie E. Parsons, Kento Katagiri, Hangman Chen +31

High entropy alloys (HEAs) are a new class of metals that exhibit unique mechanical performance. Among HEAs, additively manufactured eutectic high entropy alloys (AM-EHEAs) have re…

cond-mat.mtrl-sci2024

Comment on "Comments regarding "Transonic dislocation propagation in diamond" by Katagiri, et al. (Science 382, 69-72, 2023)" by Hawreliak, et al. (arXiv:2401.04213)

Kento Katagiri, Tatiana Pikuz, Lichao Fang +24

In their comment (1), Hawreliak et al. claims that our observation of stacking fault formation and transonic dislocation propagation in diamond (2) is not valid as they interpret t…

physics.plasm-ph2024

Formation of high-aspect-ratio nanocavity in LiF crystal using a femtosecond of x-ray FEL pulse

Sergey S. Makarov, Sergey A. Grigoryev, Vasily V. Zhakhovsky +30

Sub-picosecond optical laser processing of metals is actively utilized for modification of a heated surface layer. But for deeper modification of different materials a laser in the…

cond-mat.mtrl-sci2024★ 13 cited

Shock-driven amorphization and melt in FeO

Céline Crépisson, Alexis Amouretti, Marion Harmand +28

We present measurements on FeO amorphization and melt under laser-driven shock compression up to 209(10) GPa via time-resolved in situ x-ray diffraction. At 122(3) GPa, a d…

cond-mat.mtrl-sci2023★ 1 cited

Transonic Dislocation Propagation in Diamond

Kento Katagiri, Tatiana Pikuz, Lichao Fang +24

The motion of line defects (dislocations) has been studied for over 60 years but the maximum speed at which they can move is unresolved. Recent models and atomistic simulations pre…

cond-mat.mtrl-sci2022★ 17 cited

Simultaneous Bright- and Dark-Field X-ray Microscopy at X-ray Free Electron Lasers

Leora E. Dresselhaus-Marais, Bernard Kozioziemski, Theodor S. Holstad +40

The structures, strain fields, and defect distributions in solid materials underlie the mechanical and physical properties across numerous applications. Many modern microstructural…

cond-mat.mtrl-sci2022

Pushing the limits of flow strength in diamond

Anirudh Hari, Kento Katagiri, Wanghui Li +34

Extreme pressures and temperatures create conditions that allow even hard and brittle materials to deform plastically. Despite extensive research, the upper limits of flow strength…

physics.plasm-ph2020★ 20 cited

Using Diffuse Scattering to Observe X-Ray-Driven Nonthermal Melting

N. J. Hartley, J. Grenzer, L. Huang +20

We present results from the SPring-8 Angstrom Compact free electron LAser (SACLA) XFEL facility, using a high intensity (W/cm) X-ray pump X-ray probe scheme to…

physics.optics2020

All femtosecond optical pump and X-ray probe: holey-axicon for free electron laser

V. Anand, J. Maksimovic, T. Katkus +21

We put forward a co-axial pump(optical)-probe(X-rays) experimental concept and show performance of the optical component. A Bessel beam generator with a central 100 micrometers-dia…

physics.geo-ph2016★ 71 cited

Decaying shock studies of phase transitions in MgOSiO2 systems: implications for the Super-Earths interiors

R. M. Bolis, G. Morard, T. Vinci +15

We report an experimental study of the phase diagrams of periclase (MgO), enstatite (MgSiO3) and forsterite (Mg2SiO4) at high pressures. We investigated with laser driven decaying…

physics.geo-ph2014★ 1 cited

Melting of iron close to Earth's inner core boundary conditions and beyond

M. Harmand, A. Ravasio, S. Mazevet +23

Several important geophysical features such as heat flux at the Core-Mantle Boundary or geodynamo production are intimately related with the temperature profile in the Earth's core…

cond-mat.mtrl-sci2011★ 45 cited

Laser-Shock Compression and Hugoniot Measurements of Liquid Hydrogen to 55 GPa

T. Sano, N. Ozaki, T. Sakaiya +19

The principal Hugoniot for liquid hydrogen was obtained up to 55 GPa under laser-driven shock loading. Pressure and density of compressed hydrogen were determined by impedance-matc…