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Akademický článek

Use of Two-Photon Lithography with a Negative Resist and Processing to Realise Cylindrical Magnetic Nanowires

Autor: Joseph Askey, Matthew Oliver Hunt, Wolfgang Langbein, Sam Ladak

Publikováno v: Nanomaterials, Vol 10, Iss 3, p 429 (2020)

Cylindrical magnetic nanowires have been shown to exhibit a vast array of fascinating spin textures, including chiral domains, skyrmion tubes, and topologically protected domain walls that harbor Bloch points. Here, we present a novel methodology tha

Externí odkaz: https://doaj.org/article/db0a036cb66847fdacaeff8ecf9dcf81

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Current- and Oersted-field- dynamics of a Bloch Point in cylindrical Ni nanowires

Autor: Fernandez Roldan, J. A., Oksana, C.-F.

Publikováno v: XXXVIII Biennial of Physics of the Spanish Royal Physics Society (R.S.E.F.), 11.-15.07.2022, Murcia, Spain
2022 Joint European Magnetic Symposia (JEMS), 24.-29.07.2022, Warsaw, Poland

As three-dimensional nanomagnetism evolves, novel non-trivial magnetic textures emerge as appealing information carriers for spintronics based on curved nanosystems and particularly Cylindrical Nanowires (NWs) [1,2]. One of the most fascinating candi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::0b24ae6503ec3995b456d8e20d18fcef
https://www.hzdr.de/publications/Publ-34983-1

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Dynamics of chiral domain walls under applied current in cylindrical magnetic nanowires

Autor: Fernandez Roldan, J. A., Chubykalo-Fesenko, O.

Publikováno v: APL Materials 10(2022)11, 111101

Dynamics of two types of chiral magnetic domain walls in magnetic cylindrical nanowires under spin-polarised current are investigated by means of micromagnetic simulations. We show that Bloch point domain wall with chirality identical to that of the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______4577::8c23554a95318bea73aa2e24045b702f
https://www.hzdr.de/publications/Publ-35241-1

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Topological defect-mediated skyrmion annihilation in three dimensions

Autor: David Cortés-Ortuño, M. T. Birch, Peter D. Hatton, Geetha Balakrishnan, N. D. Khanh, Aleš Štefančič, Shinichiro Seki, Yoshinori Tokura

Publikováno v: Communications Physics, 4(1), 1. Springer Nature
Communications Physics, Vol 4, Iss 1, Pp 1-9 (2021)
Communications Physics, 2021, Vol.4(1) [Peer Reviewed Journal]

The creation and annihilation of magnetic skyrmions are mediated by three-dimensional topological defects known as Bloch points. Investigation of such dynamical processes is important both for understanding the emergence of exotic topological spin te

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ae9399fe7832e5345f5ef50b072b8814
https://doi.org/10.1038/s42005-021-00675-4

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Akademický článek

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Dissertation/ Thesis

Theoretical Investigations of Skyrmions in Chiral Magnets

Autor: Rowland, James R., IV

Magnetic skyrmions have attracted substantial interest due to their potential for use in spintronics devices and next-generation information storage, and due to the novel phenomena that result from the topological winding of skyrmions. In this disser

Externí odkaz: http://rave.ohiolink.edu/etdc/view?acc_num=osu1565920470204146

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Bloch-point-mediated topological transformations of magnetic domain walls in cylindrical nanowires

Autor: Andrea Locatelli, Michael Foerster, Lucia Aballe, B. Trapp, Olivier Fruchart, Jean-Christophe Toussaint, Julien Bachmann, Alexis Wartelle, T. O. Menteş, C. Thirion, Laurent Cagnon, Michal Staňo, Alessandro Sala, Sebastian Bochmann

Publikováno v: Physical Review B
Physical Review B, American Physical Society, 2019, 99 (2), pp.024433. ⟨10.1103/PhysRevB.99.024433⟩
Physical Review B, 2019, 99 (2), pp.024433. ⟨10.1103/PhysRevB.99.024433⟩

International audience; Cylindrical nanowires made of soft magnetic materials, in contrast to thin strips, may host domain walls of two distinct topologies. Unexpectedly, we evidence experimentally the dynamic transformation of topology upon wall mot

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::30a2505f91e672e3409d4296746248d7
http://arxiv.org/abs/1806.10918

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