Ultrafast imprinting of topologically protected magnetic textures via pulsed electrons

Schaffer, A. F.; Durr, H. A.; Berakdar, J.

doi:10.1063/1.4991521

Title: Ultrafast imprinting of topologically protected magnetic textures via pulsed electrons

Journal Article · Mon Jul 17 00:00:00 EDT 2017 · Applied Physics Letters

DOI:https://doi.org/10.1063/1.4991521· OSTI ID:1390305

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Martin-Luther-Univ. Halle-Wittenberg, Halle (Saale) (Germany)
SLAC National Accelerator Lab., Menlo Park, CA (United States)

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. Here, the study points to a possible way for a spatiotemporally controlled generation of skyrmionic excitations.

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Research Organization:: SLAC National Accelerator Lab., Menlo Park, CA (United States)

Sponsoring Organization:: USDOE

Grant/Contract Number:: SFB 762,Priority Programme 1840; AC02-76SF00515

OSTI ID:: 1390305

Alternate ID(s):: OSTI ID: 1371599

Journal Information:: Applied Physics Letters, Vol. 111, Issue 3; ISSN 0003-6951

Publisher:: American Institute of Physics (AIP)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 7 works

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Cited By (5)

Forming individual magnetic biskyrmions by merging two skyrmions in a centrosymmetric nanodisk Göbel, Börge; Henk, Jürgen; Mertig, Ingrid Scientific Reports, Vol. 9, Issue 1 https://doi.org/10.1038/s41598-019-45965-8	journal	July 2019
Electrical writing, deleting, reading, and moving of magnetic skyrmioniums in a racetrack device Göbel, Börge; Schäffer, Alexander F.; Berakdar, Jamal Scientific Reports, Vol. 9, Issue 1 https://doi.org/10.1038/s41598-019-48617-z	journal	August 2019
Stochastic dynamics and pattern formation of geometrically confined skyrmions Schäffer, Alexander F.; Rózsa, Levente; Berakdar, Jamal Communications Physics, Vol. 2, Issue 1 https://doi.org/10.1038/s42005-019-0176-y	journal	June 2019
Electrical writing, deleting, reading, and moving of magnetic skyrmioniums in a racetrack device Göbel, Börge; Schäffer, Alexander F.; Berakdar, Jamal arXiv https://doi.org/10.48550/arxiv.1902.06295	text	January 2019
Forming individual magnetic biskyrmions by merging two skyrmions in a centrosymmetric nanodisk Göbel, Börge; Henk, Jürgen; Mertig, Ingrid arXiv https://doi.org/10.48550/arxiv.1902.10491	text	January 2019

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