Probing electron and lattice dynamics by ultrafast electron microscopy: Principles and applications

Y Lian, J Sun, L Jiang - International Journal of Mechanical …, 2023 - Wiley Online Library
Microscale charge and energy transfer is an ultrafast process that can determine the
photoelectrochemical performance of devices. However, nonlinear and nonequilibrium …

Accelerating quantum materials development with advances in transmission electron microscopy

P Moradifar, Y Liu, J Shi, ML Siukola Thurston… - Chemical …, 2023 - ACS Publications
Quantum materials are driving a technology revolution in sensing, communication, and
computing, while simultaneously testing many core theories of the past century. Materials …

[HTML][HTML] Simulation of ultrafast electron diffraction intensity under coherent acoustic phonons

Y Zhang, J Li, W Wang, H Tian, W Gao, J Li, S Sun… - Structural …, 2023 - pubs.aip.org
Ultrafast electron diffraction has been proven to be a powerful tool for the study of coherent
acoustic phonons owing to its high sensitivity to crystal structures. However, this sensitivity …

Photoinduced dynamics of nematic order parameter in FeSe

T Konstantinova, L Wu, M Abeykoon, RJ Koch… - Physical Review B, 2019 - APS
Formation of electronic nematicity is a common thread of unconventional superconductors.
We use ultrafast electron diffraction to probe the lattice interactions with electronic degrees …

Ultrafast magnetization dynamics in an epitaxial Heusler-alloy film close to the Curie temperature

A Bonda, L Uba, K Załęski, S Uba - Physical Review B, 2019 - APS
The influence of the amplitude of an external magnetic field (H) and femtosecond laser pulse
fluence (F) on ultrafast magnetization dynamics has been investigated in a ferromagnetic Ni …

[HTML][HTML] Manipulation and diagnosis of femtosecond relativistic electron bunch using terahertz-driven resonators

Y Xu, Y Song, CY Tsai, J Wang, Z Liu, K Fan… - Nuclear Engineering …, 2024 - Elsevier
Using strong electromagnetic fields generated by lasers to interact with electrons for precise
diagnosis and manipulation of electron beams represents a recent focal point in accelerator …

Transforming martensite in NiTi within nanoseconds

K Lünser, B Neumann, D Schmidt, Y Ge… - Journal of Physics …, 2024 - iopscience.iop.org
Martensitic transformations enable various emerging applications like the shape memory
effect and elastocaloric applications in NiTi. Increasing the speed of this transformation can …

High Spatiotemporal Resolution of Magnetic Dynamics in -- via Four-Dimensional Lorentz Microscopy

M Zhang, ZA Li, S Sun, P Xu, C Zhu, H Tian, Z Li… - Physical Review …, 2019 - APS
High spatiotemporal resolution study of magnetic dynamic transitions in (Mn 0.5 Ni 0.5) 65
Ga 35 (hereafter referred to as Mn-Ni-Ga) is carried out using Lorentz ultrafast transmission …

Capturing the non-equilibrium state in light–matter–free-electron interactions through ultrafast transmission electron microscopy

W Wang, S Sun, J Li, D Zheng, S Huang… - Chinese …, 2023 - iopscience.iop.org
Ultrafast transmission electron microscope (UTEM) with the multimodality of time-resolved
diffraction, imaging, and spectroscopy provides a unique platform to reveal the fundamental …

Defect effects on spatiotemporal evolution of photoinduced martensitic transition in MnNiSn

M Zhang, ZA Li, H Tian, H Yang, J Li - Applied Physics Letters, 2018 - pubs.aip.org
Martensitic transition and reverse transition in ferromagnetic shape memory alloy MnNiSn
contain a variety of structural dynamic features accompanied directly by atomic motions and …