Journal
APPLIED PHYSICS LETTERS
Volume 111, Issue 3, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4991521
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Funding
- German Research Foundation [SFB 762]
- Priority Programme [1840]
- U.S. Department of Energy, Office of Basic Energy Sciences, Materials Sciences and Engineering Division [DE-AC02-76SF00515]
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Short electron pulses are demonstrated to trigger and control magnetic excitations, even at low electron current densities. We show that the tangential magnetic field surrounding a picosecond electron pulse can imprint topologically protected magnetic textures such as skyrmions in a sample with a residual Dzyaloshinskii-Moriya spin-orbital coupling. Characteristics of the created excitations such as the topological charge can be steered via the duration and the strength of the electron pulses. The study points to a possible way for a spatiotemporally controlled generation of skyrmionic excitations. Published by AIP Publishing.
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