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  Evolution and competition between chiral spin textures in nanostripes with D2d symmetry

Jena, J., Göbel, B., Kumar, V., Mertig, I., Felser, C., & Parkin, S. (2020). Evolution and competition between chiral spin textures in nanostripes with D2d symmetry. Science Advances, 6(49): eabc0723. doi:10.1126/sciadv.abc0723.

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https://doi.org/10.1126/sciadv.abc0723 (Publisher version)
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 Creators:
Jena, Jagannath1, Author           
Göbel, Börge2, 3, Author           
Kumar, Vivek4, Author
Mertig, Ingrid4, Author
Felser, Claudia4, Author
Parkin, Stuart1, Author           
Affiliations:
1Nano-Systems from Ions, Spins and Electrons, Max Planck Institute of Microstructure Physics, Max Planck Society, ou_3287476              
2Max Planck Institute of Microstructure Physics, Max Planck Society, ou_2415691              
3International Max Planck Research School for Science and Technology of Nano-Systems, Max Planck Institute of Microstructure Physics, Max Planck Society, Weinberg 2, 06120 Halle (Saale), Germany, ou_3399928              
4External Organizations, ou_persistent22              

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 Abstract: Chiral spin textures are of considerable interest for applications in spintronics. It has recently been shown that magnetic materials with D2d symmetry can sustain several distinct spin textures. Here, we show, using Lorentz transmission electron microscopy, that single and double chains of antiskyrmions can be generated at room temperature in nanostripes less than 0.5 μm in width formed from the D2d Heusler compound Mn1.4Pt0.9Pd0.1Sn. Typically, truncated helical spin textures are formed in low magnetic fields, whose edges are terminated by half antiskyrmions. These evolve into chains of antiskyrmions with increasing magnetic field. Single chains of these objects are located in the middle of the nanostripes even when the stripes are much wider than the antiskyrmions. Moreover, the chains can even include elliptical Bloch skyrmions depending on details of the applied magnetic field history. These findings make D materials special and highly interesting for applications such as magnetic racetrack memory storage devices.

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 Dates: 2020-10-20
 Publication Status: Published online
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 Identifiers: BibTex Citekey: P14005
DOI: 10.1126/sciadv.abc0723
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Project name : Spin Orbitronics for Electronic Technologies (SORBET)
Grant ID : 670166
Funding program : Horizon 2020 (H2020)
Funding organization : European Commission (EC)

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Title: Science Advances
  Other : Sci. Adv.
Source Genre: Journal
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Publ. Info: Washington : AAAS
Pages: - Volume / Issue: 6 (49) Sequence Number: eabc0723 Start / End Page: - Identifier: ISSN: 2375-2548
CoNE: https://pure.mpg.de/cone/journals/resource/2375-2548