ISSN:
1089-7550
Source:
AIP Digital Archive
Topics:
Physics
Notes:
FeSi multilayered films (MLFs) with intermediate SiO2 or Ni80Fe20 layers have been found to have superior corrosion resistance, as well as excellent soft magnetic properties. Corrosion resistance for the MLFs depends on the intermediate layer material, intermediate layer thickness, and FeSi layer thickness. In the MLFs with appropriate intermediate layers, oxygen diffusion is restricted to only 20 nm depth from the surface, which is less than the FeSi layer thickness, and no rust is observed after 600 h exposure in 60 °C and 90% relative humidity conditions. In contrast, in FeSi single-layered films, oxygen spreads throughout the entire film, and a reddish brown rust of Fe2O3 was observed. Due to the high saturation magnetization and high corrosion resistance, the FeSi MLFs are forseen to be soft magnetic materials applicable for higher density magnetic recording heads.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.349076
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