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  • Dittmann, Niklas, 1987, et al. (author)
  • Clocked single-spin source based on a spin-split superconductor
  • 2016
  • In: New Journal of Physics. - : IOP Publishing. - 1367-2630. ; 18:8, s. Article Number: 083019 -
  • Journal article (peer-reviewed)abstract
    • We propose an accurate clocked single-spin source for ac-spintronic applications. Our device consists of a superconducting island covered by a ferromagnetic insulator (FI) layer through which it is coupled to superconducting leads. Single-particle transfer relies on the energy gaps and the island's charging energy, and is enabled by a bias and a time-periodic gate voltage. Accurate spin transfer is achieved by the FI layer which polarizes the island, provides spin-selective tunneling barriers and improves the precision by suppressing Andreev reflection. We analyze realistic material combinations and experimental requirements which allow for a clocked spin current in the MHz regime. © 2016 IOP Publishing Ltd and Deutsche Physikalische Gesellschaft.
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Type of publication
journal article (1)
Type of content
peer-reviewed (1)
Author/Editor
Splettstoesser, Jani ... (1)
Dittmann, Niklas, 19 ... (1)
Giazotto, Francesco (1)
University
Chalmers University of Technology (1)
Language
English (1)
Research subject (UKÄ/SCB)
Natural sciences (1)
Engineering and Technology (1)
Year
2016 (1)

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