Spin reorientation transitions of Ni/Pd(111) films induced by Fe deposition

Isamu Yamamoto, Takeshi Nakagawa, Yasumasa Takagi, Toshihiko Yokoyama

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7 Citations (Scopus)


Two opposite spin reorientation transitions (SRTs) of Ni/Pd(111) films induced by Fe-capping layers have been investigated in situ by low-energy electron diffraction, magneto-optical Kerr effect, and x-ray magnetic circular dichroism (XMCD). In pure Ni films grown on Pd(111), no thickness-driven SRT was observed, leaving the magnetization easy axis in plane. Deposition of Fe 1 monolayer (ML) on Ni(6 ML)/Pd(111) causes a transition to perpendicular magnetization, and further Fe3 ML deposition leads to a return to in-plane magnetization. The XMCD results confirm a contribution of the orbital magnetic moment of a single Fe layer to the first SRT, which gives a significant impact on the Fe-Ni interface that stabilizes perpendicular magnetic anisotropy (PMA). The second SRT coincides with the structural change in the Fe film from the fcc to bcc phase, where the reduction in the orbital magnetic moment along the perpendicular direction to suppress the PMA stability was observed. It can be proposed that the origin of the second SRT to in-plane magnetization is attributed to cooperative contributions of the structural transformation of the Fe film and the enhanced demagnetizing field.

Original languageEnglish
Article number214442
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number21
Publication statusPublished - Jun 25 2010
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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