activity
20122024
most citedDeep inner-shell multiphoton ionization by intense x-ray free-electron laser pulses

161 citations · 422 across the 15 of their papers we have counts for

collaborators

15 papers

physics.optics2024

Sub-photon accuracy noise reduction of single shot coherent diffraction pattern with atomic model trained autoencoder

Takuto Ishikawa, Yoko Takeo, Kai Sakurai +8

Single-shot imaging with femtosecond X-ray lasers is a powerful measurement technique that can achieve both high spatial and temporal resolution. However, its accuracy has been sev…

cond-mat.str-el2022★ 18 cited

Generating 77 T using a portable pulse magnet for single shot quantum beam experiments

Akihiko Ikeda, Yasuhiro H. Matsuda, Xuguang Zhou +8

We devised a portable system that generates pulsed high magnetic fields up to 77 T with 3 s duration. The system employs the single turn coil method, a destructive way of field…

cond-mat.mtrl-sci2021★ 26 cited

Polarization-Resolved Extreme Ultraviolet Second Harmonic Generation from LiNbO

Can B. Uzundal, Sasawat Jamnuch, Emma Berger +17

Second harmonic generation (SHG) spectroscopy ubiquitously enables the investigation of surface chemistry, interfacial chemistry as well as symmetry properties in solids. Polarizat…

cond-mat.mtrl-sci2020

Ultrafast ferromagnetic fluctuations preceding magnetoelastic first-order transitions

Zhao Zhang, Yanna Chen, Dehong Yu +18

First-order magnetic transitions are of both fundamental and technological interest given that a number of emergent phases and functionalities are thereby created. Of particular in…

cond-mat.mtrl-sci2020★ 2 cited

Direct observation of symmetry-breaking in a 'ferroelectric' polar metal

Emma Berger, Sasawat Jamnuch, Can Uzundal +17

Ferroelectric materials contain a switchable spontaneous polarization that persists even in the absence of an external electric field. The coexistence of ferroelectricity and metal…

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…

cond-mat.mtrl-sci2020★ 7 cited

Single shot x-ray diffractometry in SACLA with pulsed magnetic fields up to 16 T

Akihiko Ikeda, Yasuhiro H. Matsuda, Xuguang Zhou +4

Single shot x-ray diffraction (XRD) experiments have been performed with a x-ray free electron laser (XFEL) under pulsed high magnetic fields up to 16 T generated with a nondestruc…

physics.app-ph2020★ 1 cited

Nanofocusing optics for an X-ray free-electron laser generating an extreme intensity of 100 EW/cm using total reflection mirrors

Hirokatsu Yumoto, Yuichi Inubushi, Taito Osaka +5

A nanofocusing optical system referred to as for an X-ray free-electron laser (XFEL) was developed to generate an extremely high intensity of 100 EW/cm (10$^…

cond-mat.str-el2018

Dynamics of the photoinduced insulator-to-metal transition in a nickelate film

Vincent Esposito, Laurenz Rettig, Elisabeth M. Bothschafter +24

The control of materials properties with light is a promising approach towards the realization of faster and smaller electronic devices. With phases that can be controlled via stra…

physics.atom-ph2018★ 33 cited

Superfluorescence, free-induction decay, and four-wave mixing: propagation of free-electron laser pulses through a dense sample of helium ions

James R Harries, Hiroshi Iwayama, Susumu Kuma +9

We report an experimental and numerical study of the propagation of free-electron laser pulses (wavelength 24.3 nm) through helium gas. Ionisation and excitation populates the He$^…

physics.ins-det2017

Single-Shot 3D Diffractive Imaging of Core-Shell Nanoparticles with Elemental Specificity

Alan Pryor, Arjun Rana, Rui Xu +26

We report 3D coherent diffractive imaging of Au/Pd core-shell nanoparticles with 6 nm resolution on 5-6 femtosecond timescales. We measured single-shot diffraction patterns of core…

cond-mat.str-el2015★ 16 cited

Coherent Acoustic Perturbation of Second-Harmonic-Generation in NiO

L. Huber, A. Ferrer, T. Kubacka +14

We investigate the structural and magnetic origins of the unusual ultrafast second-harmonicgeneration (SHG) response of femtosecond-laser-excited nickel oxide (NiO) previously attr…

physics.optics2013★ 117 cited

Single-shot 3D structure determination of nanocrystals with femtosecond X-ray free electron laser pulses

Rui Xu, Huaidong Jiang, Changyong Song +26

Coherent diffraction imaging (CDI) using synchrotron radiation, X-ray free electron lasers (X-FELs), high harmonic generation, soft X-ray lasers, and optical lasers has found broad…

physics.atom-ph2012★ 161 cited

Deep inner-shell multiphoton ionization by intense x-ray free-electron laser pulses

H. Fukuzawa, S. -K. Son, K. Motomura +27

We have investigated multiphoton multiple ionization dynamics of argon and xenon atoms using a new x-ray free electron laser (XFEL) facility, SPring-8 Angstrom Compact free electro…

physics.atom-ph2012★ 21 cited

Photoelectron Angular Distributions for Two-photon Ionization of Helium by Ultrashort Extreme Ultraviolet Free Electron Laser Pulses

R. Ma, K. Motomura, K. L. Ishikawa +19

Phase-shift differences and amplitude ratios of the outgoing and continuum wave packets generated by two-photon ionization of helium atoms are determined from the photoelec…