Isothermal switching of perpendicular exchange bias by pulsed high magnetic field

Yu Shiratsuchi, Kohei Wakatsu, Tetsuya Nakamura, Hiroto Oikawa, Satoru Maenou, Yasuo Narumi, Kou Tazoe, Chiharu Mitsumata, Toyohiko Kinoshita, Hiroyuki Nojiri, Ryoichi Nakatani

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Abstract

Isothermal switching of a perpendicular exchange bias by a strong pulsed magnetic field has been investigated using a Pt/Co/α-Cr 2O 3 thin film system. The switching of the perpendicular exchange bias is accompanied by the spin reversal of interfacial uncompensated antiferromagnetic Cr spins. We have also demonstrated that the switching of the exchange bias is reversible by changing the pulsed magnetic field direction. The mechanism of the demonstrated switching is discussed from the viewpoint of the spin flop transition of the α-Cr 2O 3 layer.

Original languageEnglish
Article number262413
JournalApplied Physics Letters
Volume100
Issue number26
DOIs
Publication statusPublished - 2012 Jun 25

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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  • Cite this

    Shiratsuchi, Y., Wakatsu, K., Nakamura, T., Oikawa, H., Maenou, S., Narumi, Y., Tazoe, K., Mitsumata, C., Kinoshita, T., Nojiri, H., & Nakatani, R. (2012). Isothermal switching of perpendicular exchange bias by pulsed high magnetic field. Applied Physics Letters, 100(26), [262413]. https://doi.org/10.1063/1.4731643