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Showing 1–8 of 8 results

Advanced filters: Author: Ivan Lemesh Clear advanced filters

Observation of fluctuation-mediated picosecond nucleation of a topological phase

Time-resolved X-ray scattering is utilized to demonstrate an ultrafast 300 ps topological phase transition to a skyrmionic phase. This transition is enabled by the formation of a transient topological fluctuation state.

Felix Büttner
Bastian Pfau
Stefan Eisebitt
Research05 Oct 2020
Nature Materials

Volume: 20, P: 30-37
Author Correction: Coherent correlation imaging for resolving fluctuating states of matter

Christopher Klose
Felix Büttner
Bastian Pfau
Amendments and CorrectionsOpen Access24 May 2023
Nature

Volume: 618, P: E15
Field-free deterministic ultrafast creation of magnetic skyrmions by spin–orbit torques

The deterministic nucleation of single skyrmions at a controlled position along multilayered magnetic racetracks is demonstrated by exploiting spin-orbit torques without the need of in-plane magnetic fields.

Felix Büttner
Ivan Lemesh
Geoffrey S. D. Beach
Research02 Oct 2017
Nature Nanotechnology

Volume: 12, P: 1040-1044
Coherent correlation imaging for resolving fluctuating states of matter

Nanoscale magnetic fluctuations are spatiotemporally resolved beyond conventional resolution limits using coherent correlation imaging, in which frames in Fourier space are recorded and analysed using an iterative hierarchical clustering algorithm.

Christopher Klose
Felix Büttner
Bastian Pfau
ResearchOpen Access18 Jan 2023
Nature

Volume: 614, P: 256-261
The role of temperature and drive current in skyrmion dynamics

An analysis of skyrmion dynamics at different temperatures and electric drive currents is used to develop a complete description of the skyrmion Hall angle in ferromagnetic multilayers from the creep to the flow regime and illustrates that skyrmion trajectories can be engineered for device applications.

Kai Litzius
Jonathan Leliaert
Mathias Kläui
Research24 Jan 2020
Nature Electronics

Volume: 3, P: 30-36
Skyrmion Hall effect revealed by direct time-resolved X-ray microscopy

Experiments show that when driven by electric currents, magnetic skyrmions experience transverse motion due to their topological charge — similar to the conventional Hall effect experienced by charged particles in a perpendicular magnetic field.

Kai Litzius
Ivan Lemesh
Mathias Kläui
Research26 Dec 2016
Nature Physics

Volume: 13, P: 170-175
Observation of room-temperature magnetic skyrmions and their current-driven dynamics in ultrathin metallic ferromagnets

Generation of stable skyrmion lattices and displacement of trains of individual skyrmions along a magnetic racetrack by short current pulses are demonstrated at room temperature in ultrathin metallic ferromagnets.

Seonghoon Woo
Kai Litzius
Geoffrey S. D. Beach
Research29 Feb 2016
Nature Materials

Volume: 15, P: 501-506
Theory of isolated magnetic skyrmions: From fundamentals to room temperature applications

Felix Büttner
Ivan Lemesh
Geoffrey S. D. Beach
ResearchOpen Access13 Mar 2018
Scientific Reports

Volume: 8, P: 1-12