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Article

Supercurrent Induced by Chiral Coupling in Multiferroic/Superconductor Nanostructures

1
Institut für Physik, Martin-Luther Universität Halle-Wittenberg, 06099 Halle (Saale), Germany
2
Key Laboratory for Magnetism and Magnetic Materials of the Ministry of Education and Institute of Theoretical Physics, Lanzhou University, Lanzhou 730000, China
*
Author to whom correspondence should be addressed.
Nanomaterials 2021, 11(1), 184; https://doi.org/10.3390/nano11010184
Received: 19 November 2020 / Revised: 29 December 2020 / Accepted: 4 January 2021 / Published: 13 January 2021
(This article belongs to the Special Issue Superconductivity in Nanoscaled Systems)
We study the transport and the superconducting dynamics in a layer of type II superconductor (SC) with a normal top layer that hosts a helical magnetic ordering that gives rise to spin-current-driven ferroelectric polarization. Proximity effects akin to this heterostructure result in an anisotropic supercurrent transport and modify the dynamic properties of vortices in the SC. The vortices can be acted upon and controlled by electric gating or other means that couple to the spin ordering in the top layer, which, in turn, alter the superconducting/helical magnet coupling characteristics. We demonstrate, using the time dependent Ginzburg–Landau approach, how the spin helicity of the top layer can be utilized for pinning and guiding the vortices in the superconducting layer. View Full-Text
Keywords: superconductor; multiferroic/superconductor nanostructures; superconducting vortices superconductor; multiferroic/superconductor nanostructures; superconducting vortices
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MDPI and ACS Style

Niedzielski, B.; Jia, C.; Berakdar, J. Supercurrent Induced by Chiral Coupling in Multiferroic/Superconductor Nanostructures. Nanomaterials 2021, 11, 184. https://doi.org/10.3390/nano11010184

AMA Style

Niedzielski B, Jia C, Berakdar J. Supercurrent Induced by Chiral Coupling in Multiferroic/Superconductor Nanostructures. Nanomaterials. 2021; 11(1):184. https://doi.org/10.3390/nano11010184

Chicago/Turabian Style

Niedzielski, Bjoern, Chenglong Jia, and Jamal Berakdar. 2021. "Supercurrent Induced by Chiral Coupling in Multiferroic/Superconductor Nanostructures" Nanomaterials 11, no. 1: 184. https://doi.org/10.3390/nano11010184

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