RT Journal Article
T1 Size-dependence and high temperature stability of radial vortex magnetic textures imprinted by superconductor stray fields
A1 Sánchez Manzano, David
A1 Orfila Rodríguez, Gloria
A1 Sander, Anke
A1 Marcano, Lourdes
A1 Gallego Toledo, Fernando
A1 Mawass, Mohamad-Assaad
A1 Grilli, Francesco
A1 Arora, Ashima
A1 Peralta, Andrea
A1 Cuéllar Jiménez, Fabian Andrés
A1 Fernández Roldán, Jose A.
A1 Reyren, NIcolas
A1 Kronast, Florian
A1 León Yebra, Carlos
A1 Rivera Calzada, Alberto Carlos
A1 Villegas, Javier E
A1 Santamaría Sánchez-Barriga, Jacobo
A1 Valencia, Sergio
AB Swirling spin textures, including topologically nontrivial states, such as skyrmions, chiral domain walls, and magnetic vortices, have garnered significant attention within the scientific community due to their appeal from both fundamental and applied points of view. However, their creation, controlled manipulation, and stability are typically constrained to certain systems with specific crystallographic symmetries, bulk or interface interactions, and/or a precise stacking sequence of materials. Recently, a new approach has shown potential for the imprint of magnetic radial vortices in soft ferromagnetic compounds making use of the stray field of YBa2Cu3O7-delta superconducting microstructures in ferromagnet/superconductor (FM/SC) hybrids at temperatures below the superconducting transition temperature (T-C). Here, we explore the lower size limit for the imprint of magnetic radial vortices in square and disc shaped structures as well as the persistence of these spin textures above T-C, with magnetic domains retaining partial memory. Structures with circular geometry and with FM patterned to smaller radius than the superconductor island facilitate the imprinting of magnetic radial vortices and improve their stability above T-C, in contrast to square structures where the presence of magnetic domains increases the dipolar energy. Micromagnetic modeling coupled with a SC field model reveals that the stabilization mechanism above T-C is mediated by microstructural defects. Superconducting control of swirling spin textures, and their stabilization above the superconducting transition temperature by means of defect engineering holds promising prospects for shaping superconducting spintronics based on magnetic textures
PB American Chemical Society
SN 1944-8244
YR 2024
FD 2024-04-02
LK https://hdl.handle.net/20.500.14352/105730
UL https://hdl.handle.net/20.500.14352/105730
LA eng
NO SANCHEZ-MANZANO, David, et al. Size-dependence and high temperature stability of radial vortex magnetic textures imprinted by superconductor stray fields. ACS Applied Materials & Interfaces, 2024, vol. 16, no 15, p. 19681-19690.
NO Helmholtz Zentrum Berlin fur Materialen und Energie
NO European Commission
NO MInisterio de Economía y Competitividad (España)
NO Agence Nationale de la Recherche (France)
NO Alexander von Humboldt Foundation
DS Docta Complutense
RD 9 abr 2025