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  Supercurrent induced by chiral coupling in multiferroic/superconductor nanostructures

Niedzielski, B., Jia, C., & Berakdar, J. (2021). Supercurrent induced by chiral coupling in multiferroic/superconductor nanostructures. Nanomaterials, 11(1): 184. doi:10.3390/nano11010184.

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nanomaterials-11-00184-v3.pdf (Publisher version), 2MB
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https://doi.org/10.3390/nano11010184 (Publisher version)
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Niedzielski, Bjoern1, 2, Author
Jia, Chenglong1, Author
Berakdar, Jamal1, Author
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1External Organizations, ou_persistent22              
2International 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              

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 Abstract: 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.

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 Dates: 2021-01-13
 Publication Status: Published online
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 Identifiers: DOI: 10.3390/nano11010184
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Title: Nanomaterials
  Abbreviation : Nanomater.
Source Genre: Journal
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Publ. Info: Basel, Schweiz : MDPI
Pages: - Volume / Issue: 11 (1) Sequence Number: 184 Start / End Page: - Identifier: ISSN: 2079-4991
CoNE: https://pure.mpg.de/cone/journals/resource/2079-4991