Real-time observation of electrical vortex core switching

Kunihiro Nakano, Kenji Tanabe, Ryo Hiramatsu, Daichi Chiba, Norikazu Ohshima, Shinya Kasai, Tomonori Sato, Yoshinobu Nakatani, Koji Sekiguchi, Kensuke Kobayashi, Teruo Ono

Research output: Contribution to journalArticle

10 Citations (Scopus)


A single vortex-core switching induced by current injection into a ferromagnetic disk is detected in real time using a three-terminal device with the tunneling magnetoresistance junction. The real time observation reveals that the electrical core switching is completed within a few 100 ps. It is also found that the core switching takes place at the specific positions inside the disk.

Original languageEnglish
Article number072405
JournalApplied Physics Letters
Issue number7
Publication statusPublished - 2013 Feb 18


ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Nakano, K., Tanabe, K., Hiramatsu, R., Chiba, D., Ohshima, N., Kasai, S., Sato, T., Nakatani, Y., Sekiguchi, K., Kobayashi, K., & Ono, T. (2013). Real-time observation of electrical vortex core switching. Applied Physics Letters, 102(7), [072405].