[HTML][HTML] Concepts and use cases for picosecond ultrasonics with x-rays

M Mattern, A von Reppert, SP Zeuschner, M Herzog… - Photoacoustics, 2023 - Elsevier
This review discusses picosecond ultrasonics experiments using ultrashort hard x-ray probe
pulses to extract the transient strain response of laser-excited nanoscopic structures from …

Single-electron pulses for ultrafast diffraction

M Aidelsburger, FO Kirchner… - Proceedings of the …, 2010 - National Acad Sciences
Visualization of atomic-scale structural motion by ultrafast electron diffraction and
microscopy requires electron packets of shortest duration and highest coherence. We report …

[HTML][HTML] Ultrafast electron diffraction from non-equilibrium phonons in femtosecond laser heated Au films

T Chase, M Trigo, AH Reid, R Li, T Vecchione… - Applied Physics …, 2016 - pubs.aip.org
We use ultrafast electron diffraction to detect the temporal evolution of non-equilibrium
phonons in femtosecond laser-excited ultrathin single-crystalline gold films. From the time …

Lattice dynamics and ultrafast energy flow between electrons, spins, and phonons in a 3d ferromagnet

D Zahn, F Jakobs, YW Windsor, H Seiler… - Physical Review …, 2021 - APS
The ultrafast dynamics of magnetic order in a ferromagnet are governed by the interplay
between electronic, magnetic, and lattice degrees of freedom. In order to obtain a …

Generation mechanism of terahertz coherent acoustic phonons in Fe

T Henighan, M Trigo, S Bonetti, P Granitzka, D Higley… - Physical Review B, 2016 - APS
We use femtosecond time-resolved hard x-ray scattering to detect coherent acoustic
phonons generated during ultrafast laser excitation of ferromagnetic bcc Fe films grown on …

Beyond a phenomenological description of magnetostriction

AH Reid, X Shen, P Maldonado, T Chase, E Jal… - Nature …, 2018 - nature.com
Magnetostriction, the strain induced by a change in magnetization, is a universal effect in
magnetic materials. Owing to the difficulty in unraveling its microscopic origin, it has been …

Layer specific observation of slow thermal equilibration in ultrathin metallic nanostructures by femtosecond X-ray diffraction

J Pudell, AA Maznev, M Herzog, M Kronseder… - Nature …, 2018 - nature.com
Ultrafast heat transport in nanoscale metal multilayers is of great interest in the context of
optically induced demagnetization, remagnetization and switching. If the penetration depth …

Controlling effective field contributions to laser-induced magnetization precession by heterostructure design

J Jarecki, M Mattern, FC Weber, JE Pudell… - Communications …, 2024 - nature.com
Nanoscale heterostructure design can control laser-induced heat dissipation and strain
propagation, as well as their efficiency for driving magnetization precession. Here, we …

Femtosecond electron diffraction: Direct probe of ultrafast structural dynamics in metal films

S Nie, X Wang, J Li, R Clinite… - Microscopy research and …, 2009 - Wiley Online Library
Femtosecond electron diffraction is a rapidly advancing technique that holds a great promise
for studying ultrafast structural dynamics in phase transitions, chemical reactions, and …

Zero thermal expansion in NaZn 13-type La (Fe, Si) 13 compounds

W Wang, R Huang, W Li, J Tan, Y Zhao, S Li… - Physical Chemistry …, 2015 - pubs.rsc.org
A zero thermal expansion material in a pure form of NaZn13-type La (Fe, Si) 13 was
fabricated. Through optimizing the chemical composition, an isotropic zero thermal …