60 citations · 68 across the 7 of their papers we have counts for
8 papers
Picosecond localization dynamics following ultrafast nanoscale magnetic switching
Daniel Metternich, Michael Schneider, Giuseppe Mercurio +28
Ultrashort laser pulses provide the fastest known way to switch magnetic order. Such excitation commonly creates nanometer-scale domains, even after homogeneous illumination when t…
Revealing domain wall stability during ultrafast demagnetization
Hung-Tzu Chang, Sergey Zayko, Timo Schmidt +5
The ultrafast control of nanoscale spin textures such as magnetic domain walls or skyrmions is essential for advancing high-speed, high-density spintronics. However, imaging their…
2024 Roadmap on Magnetic Microscopy Techniques and Their Applications in Materials Science
D. V. Christensen, U. Staub, T. R. Devidas +50
Considering the growing interest in magnetic materials for unconventional computing, data storage, and sensor applications, there is active research not only on material synthesis…
Coherent x-ray magnetic imaging with 5 nm resolution
Riccardo Battistelli, Daniel Metternich, Michael Schneider +13
Soft x-ray microscopy plays an important role in modern spintronics. However, the achievable resolution of most x-ray magnetic imaging experiments is above 10 nm, limiting access t…
High-sensitivity extreme-ultraviolet transient absorption spectroscopy enabled by machine learning
Tobias Heinrich, Hung-Tzu Chang, Sergey Zayko +2
We introduce a machine-learning-based approach to enhance the sensitivity of optical-extreme ultraviolet (XUV) transient absorption spectroscopy. A reference spectrum is used as in…
Electronic and structural fingerprints of charge density wave excitations in extreme ultraviolet transient absorption spectroscopy
Tobias Heinrich, Hung-Tzu Chang, Sergey Zayko +3
Femtosecond core-level transient absorption spectroscopy is utilized to investigate photoinduced dynamics of the charge density wave in 1T-TiSe2 at the Ti M2,3 edge (30-50 eV). Pho…
Ultrafast high-harmonic nanoscopy of magnetization dynamics
Sergey Zayko, Ofer Kfir, Michael Heigl +4
Light-induced magnetization changes, such as all-optical switching, skyrmion nucleation, and intersite spin transfer, unfold on temporal and spatial scales down to femtoseconds and…
Nanoscale Magnetic Imaging using Circularly Polarized High-Harmonic Radiation
Ofer Kfir, Sergey Zayko, Christina Nolte +10
This work demonstrates nanoscale magnetic imaging using bright circularly polarized high-harmonic radiation. We utilize the magneto-optical contrast of worm-like magnetic domains i…