Since the discovery of electron-wave duality, electron scattering instrumentation has
developed into a powerful array of techniques for revealing the atomic structure of matter …

Realizing room-temperature magnetic skyrmions in two-dimensional van der Waals
ferromagnets offers unparalleled prospects for future spintronic applications. However, due …

We present the development of the first ultrafast transmission electron microscope (UTEM)
driven by localized photoemission from a field emitter cathode. We describe the …

In numerous functional materials, such as steels, ferroelectrics and magnets, new
functionalities can be achieved through the engineering of the domain structures, which are …

Topological states of matter exhibit fascinating physics combined with an intrinsic stability. A
key challenge is the fast creation of topological phases, which requires massive …

Merons are nontrivial topological spin textures highly relevant for many phenomena in solid
state physics. Despite their importance, direct observation of such vortex quasiparticles is …

We report a transient plasmonic spin skyrmion topological quasiparticle within surface
plasmon polariton vortices, which is described by analytical modeling and imaging of its …

We demonstrate that light-induced heat pulses of different duration and energy can write
Skyrmions in a broad range of temperatures and magnetic field in FeGe. Using a …

Recent studies have revealed that chiral phonons resonantly excited by ultrafast laser
pulses carry magnetic moments and can enhance the magnetization of materials. In this …

Transmission electron microscopy is one of the most powerful techniques to characterize
nanoscale magnetic structures. In light of the importance of fast control schemes of magnetic …