SKM 2021 – wissenschaftliches Programm

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SYCL: Symposium Curvilinear condensed matter

SYCL 2: Curvilinear condensed matter 2

SYCL 2.1: Hauptvortrag

Mittwoch, 29. September 2021, 11:15–11:45, Audimax 2

Superconductors and nanomagnets evolve into 3D — •Oleksandr Dobrovolskiy — Superconductivity and Spintronics Laboratory, Nanomagnetism and Magnonics, Faculty of Physics, University of Vienna, Währinger Str. 17, 1090 Vienna, Austria

Patterned superconductors and nanomagnets are traditionally 2D planar structures. However, recent work is expanding superconductivity and nanomagnetism into the third dimension [1]. This expansion is triggered by advanced synthesis methods and the discovery of novel geometry- and topology-induced effects. In addition to self-assembled systems, a high level of maturity is now reached in direct-write nanofabrication by focused electron and focused ion beam induced deposition (FEBID and FIBID, respectively) [2, 3].

In this overview talk, a selection of shape- and curvature-induced effects in 3D superconducting and ferromagnetic structures will be outlined. A particular focus will be on the effects relevant for novel spintronic functionalities relying upon (i) the dynamics of Abrikosov vortices in superconductors [4], (ii) the dynamics of spin waves in ferromagnets [5], and (iii) the interplay of superconductivity and magnetism in heterostructures [6].

[1] D. Makarov et al., Adv. Mater. 33 (2021) 2101758.

[2] M. Huth et al., Microelectron. Engin. 185-186 (2018) 9.

[3] A. Fernandez-Pacheco et al., Mater. 13 (2020) 3774.

[4] O. Dobrovolskiy et al., Appl. Phys. Lett. 118 (2021) 132405.

[5] O. Dobrovolskiy et al., Nat. Commun. 11 (2020) 3291.

[6] O. Dobrovolskiy et al., Nat. Phys. 15 (2019) 477.