Skip to main content

Thank you for visiting You are using a browser version with limited support for CSS. To obtain the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles and JavaScript.

  • Commentary
  • Published:

Memory on the racetrack

Racetrack memory stores digital data in the magnetic domain walls of nanowires. This technology promises to yield information storage devices with high reliability, performance and capacity.

This is a preview of subscription content, access via your institution

Relevant articles

Open Access articles citing this article.

Access options

Buy this article

Prices may be subject to local taxes which are calculated during checkout

Figure 1: Three magnetic memory and storage devices.
Figure 2: Evolution of racetrack memory.
Figure 3: Key phenomena that contribute to the current-driven motion of DWs.


  1. Parkin, S. S. P. Shiftable magnetic shift register and method of using the same. US patent 6,834,005 (2004).

  2. Parkin, S. S. P., Hayashi, M. & Thomas, L. Science 320, 190–194 (2008).

    Article  CAS  Google Scholar 

  3. Parkin, S. S. P. et al. J. Appl. Phys. 85, 5828–5833 (1999).

    Article  CAS  Google Scholar 

  4. Parkin, S. S. P. et al. Proc. IEEE 91, 661–680 (2003).

    Article  CAS  Google Scholar 

  5. Gallagher, W. J. & Parkin, S. S. P. IBM J. Res. Dev. 50, 5–23 (2006).

    Article  CAS  Google Scholar 

  6. Parkin, S. S. P. et al. Nature Mater. 3, 862–867 (2004).

    Article  CAS  Google Scholar 

  7. Ikeda, S. et al. Nature Mater. 9, 721–724 (2010).

    Article  CAS  Google Scholar 

  8. Ralph, D. C. & Stiles, M. D. J. Magn. Magn. Mater. 320, 1190–1216 (2008).

    Article  CAS  Google Scholar 

  9. Hayashi, M., Thomas, L., Moriya, R., Rettner, C. & Parkin, S. S. P. Science 320, 209–211 (2008).

    Article  CAS  Google Scholar 

  10. Hayashi, M. et al. Phys. Rev. Lett. 98, 037204 (2007).

    Article  Google Scholar 

  11. Vlaminck, V. & Bailleul, M. Science 322, 410–413 (2008).

    Article  CAS  Google Scholar 

  12. Chiba, D. et al. Appl. Phys. Express 3, 073004 (2010).

    Article  Google Scholar 

  13. Thomas, L. et al. Int. Electron Dev. Meeting (IEDM) 24.2.1–24.2.4 (2011).

  14. Miron, I. M. et al. Nature Mater. 10, 419–423 (2011).

    Article  CAS  Google Scholar 

  15. Ryu, K. S., Thomas, L., Yang, S. H. & Parkin, S. S. P. Nature Nanotech. 8, 527–533 (2013).

    Article  CAS  Google Scholar 

  16. Ryu, K. S., Yang, S. H., Thomas, L. & Parkin, S. S. P. Nature Commun. 5, 3910 (2014).

    Article  CAS  Google Scholar 

  17. Fukami, S. et al. Appl. Phys. Lett. 98, 082504 (2011).

    Article  Google Scholar 

  18. Ryu, K. S., Thomas, L., Yang, S. H. & Parkin, S. S. P. Appl. Phys. Express 5, 093006 (2012).

    Article  Google Scholar 

  19. Meckler, S. et al. Phys. Rev. Lett. 103, 157201 (2009).

    Article  CAS  Google Scholar 

  20. Torrejon, J. et al. Preprint available at (2013).

  21. Emori, S., Bauer, U., Ahn, S. M., Martinez, E. & Beach, G. S. D. Nature Mater. 12, 611–616 (2013).

    Article  CAS  Google Scholar 

  22. Crépieux, A. & Lacroix, C. J. Magn. Magn. Mater. 182, 341–349 (1998).

    Article  Google Scholar 

  23. Hirsch, J. E. Phys. Rev. Lett. 83, 1834–1837 (1999).

    Article  CAS  Google Scholar 

  24. D'yakonov, M. I. Int. J. Mod. Phys. B 23, 2556–2565 (2009).

    Article  CAS  Google Scholar 

  25. Yang, S. H., Ryu, K. S. & Parkin, S. S. P. Nature Nanotech. 10, 221–226 (2014).

    Article  Google Scholar 

  26. Parkin, S. S. P., More, N. & Roche, K. P. Phys. Rev. Lett. 64, 2304–2307 (1990).

    Article  CAS  Google Scholar 

  27. Parkin, S. S. P. Phys. Rev. Lett. 67, 3598 (1991).

    Article  CAS  Google Scholar 

Download references

Author information

Authors and Affiliations


Corresponding author

Correspondence to Stuart Parkin.

Rights and permissions

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Parkin, S., Yang, SH. Memory on the racetrack. Nature Nanotech 10, 195–198 (2015).

Download citation

  • Published:

  • Issue Date:

  • DOI:

This article is cited by


Quick links

Nature Briefing

Sign up for the Nature Briefing newsletter — what matters in science, free to your inbox daily.

Get the most important science stories of the day, free in your inbox. Sign up for Nature Briefing