Fast barrier-free switching in synthetic antiferromagnets
2025

Fast Switching in Synthetic Antiferromagnets

publication Evidence: high

Author Information

Author(s): Dzhezherya Yu, Kalita V., Polynchuk P., Kravets A., Korenivski V., Kruchinin S., Bellucci S.

Primary Institution: Institute of Magnetism, NASU and MESU, Kyiv, Ukraine

Hypothesis

Can synthetic antiferromagnets achieve barrier-free switching with low-power magnetic field pulses?

Conclusion

The study demonstrates that synthetic antiferromagnets can switch quickly and efficiently using low-amplitude magnetic field pulses.

Supporting Evidence

  • The switching method discussed allows for low-power and ultra-fast operation.
  • Power per write operation is estimated to be around 100 pJ, significantly lower than conventional methods.
  • The study provides a theoretical framework for achieving fast switching in nanoscale synthetic antiferromagnets.

Takeaway

This research shows that we can make tiny magnets switch directions really fast using small bursts of magnetic energy, which is great for making better computer memory.

Methodology

The study analytically solves the Landau-Lifshitz equations for magnetization dynamics in synthetic antiferromagnets.

Digital Object Identifier (DOI)

10.1038/s41598-024-67287-0

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