Layer-selective microwave-assisted magnetization switching in a dot of double antiferromagnetically coupled (AFC) layers

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3 Citations (Scopus)

Abstract

Layer-selective magnetization switching is a key technology for three-dimensional magnetic recording. In this study, layer-selective magnetization switching is demonstrated in a dot of double antiferromagnetically coupled (AFC) layers under an assistance of an rf field. Each AFC layer consists of two Co/Pt multilayers with a Ru interlayer. By optimally tuning the rf frequency, the layer-selective switching of each AFC layer is clearly confirmed. However, this layer-selective switching is probabilistic, with a maximum probability of about 65%. The stability of the layer-selective switching is improved if the dipolar field from the first switched AFC layer is suppressed.

Original languageEnglish
Article number162404
JournalApplied Physics Letters
Volume112
Issue number16
DOIs
Publication statusPublished - 2018 Apr 16

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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