Journal
PHYSICAL REVIEW LETTERS
Volume 120, Issue 11, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.120.117201
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Funding
- NCCR MUST, Sinergia [CDSII5-171003]
- Swiss National Science Foundation
- Swiss National Science Foundation (SNSF) [200021_159219/1]
- SNSF through an Advanced Postdoc Mobility Grant [P300P2_158473]
- SNSF [200020_166298]
- Grants-in-Aid for Scientific Research [17H02767] Funding Source: KAKEN
- Swiss National Science Foundation (SNF) [200020_166298, 200021_159219, P300P2_158473] Funding Source: Swiss National Science Foundation (SNF)
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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 combination of camera-rate and pump-probe cryo-Lorentz transmission electron microscopy, we directly resolve the spatiotemporal evolution of the magnetization ensuing optical excitation. The Skyrmion lattice was found to maintain its structural properties during the laser-induced demagnetization, and its recovery to the initial state happened in the sub-mu s to mu s range, depending on the cooling rate of the system.
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