Magnetization dynamics for L 10 MnGa/Fe exchange coupled bilayers

S. Mizukami, T. Kubota, S. Iihama, R. Ranjbar, Q. Ma, X. Zhang, Y. Ando, T. Miyazaki

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

The precessional magnetization dynamics of L10 MnGa/Fe bilayers with a large perpendicular magnetic anisotropy are investigated using vector network analyzer ferromagnetic resonance (VNA-FMR) and time-resolved magneto-optical Kerr effect (TRMOKE). The MnGa/Fe(1nm) bilayer exhibited perpendicular magnetization and MnGa/Fe(2 and 5nm) bilayers showed in-plane magnetizations. The VNA-FMR and TRMOKE data for these bilayers are well explained from calculations, based on the coupled Landau-Lifshitz equations, taking into account the interfacial exchange coupling of 2.4erg/cm2.

Original languageEnglish
Article number17C119
JournalJournal of Applied Physics
Volume115
Issue number17
DOIs
Publication statusPublished - 2014 May 7

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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