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Spintronics

Ultrafast push for counterintuitive spintronics

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Current-inducing switching of magnetization is crucial for future magnetic data processing technologies, but switching it with speed and energy efficiency remains challenging. Using femtosecond optical pulses, instead of conventional charge currents, is found to make spintronics not only ultrafast but also counterintuitive.

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Fig. 1: A write–erase cycle of the ultrafast spin switching in a ferromagnetic spin valve using a femtosecond light pulse.

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Authors and Affiliations

  1. Institute for Molecules and Materials, Radboud University, Nijmegen, the Netherlands

    Dmytro Afanasiev & Alexey V. Kimel

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  1. Dmytro Afanasiev
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  2. Alexey V. Kimel
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Correspondence to Dmytro Afanasiev.

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The authors declare no competing interests.

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Afanasiev, D., Kimel, A.V. Ultrafast push for counterintuitive spintronics. Nat. Mater. 22, 673–674 (2023). https://doi.org/10.1038/s41563-023-01554-9

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  • DOI: https://doi.org/10.1038/s41563-023-01554-9

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