Low precessional damping observed for L10-ordered FePd epitaxial thin films with large perpendicular magnetic anisotropy

S. Iihama; A. Sakuma; H. Naganuma; M. Oogane; T. Miyazaki; S. Mizukami; Y. Ando

doi:10.1063/1.4897547

Low precessional damping observed for L1₀-ordered FePd epitaxial thin films with large perpendicular magnetic anisotropy

S. Iihama, A. Sakuma, H. Naganuma, M. Oogane, T. Miyazaki, S. Mizukami, Y. Ando

Research output: Contribution to journal › Article › peer-review

23 Citations (Scopus)

Abstract

High-quality L1₀ ordered 20nm-thick FePd epitaxial thin films with a large perpendicular magnetic anisotropy were fabricated using a SrTiO₃ substrate. The uniaxial crystalline magnetic anisotropy constant K_u evaluated for the films annealed above 500°C was 14 Merg/cm³. A very low effective damping constant, α_eff=0.007, was observed for FePd thin films annealed at 500°C. This value is smaller than that of other Fe-based ordered alloys with a large perpendicular magnetic anisotropy.

Original language	English
Article number	142403
Journal	Applied Physics Letters
Volume	105
Issue number	14
DOIs	https://doi.org/10.1063/1.4897547
Publication status	Published - 2014 Oct 6

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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abstract = "High-quality L10 ordered 20nm-thick FePd epitaxial thin films with a large perpendicular magnetic anisotropy were fabricated using a SrTiO3 substrate. The uniaxial crystalline magnetic anisotropy constant Ku evaluated for the films annealed above 500°C was 14 Merg/cm3. A very low effective damping constant, αeff=0.007, was observed for FePd thin films annealed at 500°C. This value is smaller than that of other Fe-based ordered alloys with a large perpendicular magnetic anisotropy.",

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AU - Iihama, S.

AU - Sakuma, A.

AU - Naganuma, H.

AU - Oogane, M.

AU - Miyazaki, T.

AU - Mizukami, S.

AU - Ando, Y.

PY - 2014/10/6

Y1 - 2014/10/6

N2 - High-quality L10 ordered 20nm-thick FePd epitaxial thin films with a large perpendicular magnetic anisotropy were fabricated using a SrTiO3 substrate. The uniaxial crystalline magnetic anisotropy constant Ku evaluated for the films annealed above 500°C was 14 Merg/cm3. A very low effective damping constant, αeff=0.007, was observed for FePd thin films annealed at 500°C. This value is smaller than that of other Fe-based ordered alloys with a large perpendicular magnetic anisotropy.

AB - High-quality L10 ordered 20nm-thick FePd epitaxial thin films with a large perpendicular magnetic anisotropy were fabricated using a SrTiO3 substrate. The uniaxial crystalline magnetic anisotropy constant Ku evaluated for the films annealed above 500°C was 14 Merg/cm3. A very low effective damping constant, αeff=0.007, was observed for FePd thin films annealed at 500°C. This value is smaller than that of other Fe-based ordered alloys with a large perpendicular magnetic anisotropy.

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Low precessional damping observed for L1₀-ordered FePd epitaxial thin films with large perpendicular magnetic anisotropy

Abstract

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