4.6 Article

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

Journal

APPLIED PHYSICS LETTERS
Volume 105, Issue 14, Pages -

Publisher

AMER INST PHYSICS
DOI: 10.1063/1.4897547

Keywords

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Funding

  1. KAKENHI [24226001]
  2. Tanaka Co. Ltd. grant
  3. New Energy and Industrial Technology Development Organization (NEDO) for young scientists [11B07018d]
  4. FIRST program
  5. [26-4778]
  6. Grants-in-Aid for Scientific Research [14J04778, 24686001] Funding Source: KAKEN

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High-quality L1(0) ordered 20 nm-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 degrees C was 14 Merg/cm(3). A very low effective damping constant, alpha(eff) = 0.007, was observed for FePd thin films annealed at 500 degrees C. This value is smaller than that of other Fe-based ordered alloys with a large perpendicular magnetic anisotropy. (C) 2014 AIP Publishing LLC.

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