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- W2074490220 abstract "We report (001)-oriented FePtAg–C nanogranular films consisting of fine particle size of about 5 nm with a narrow size distribution of 3.3 nm in variance that were grown on a Fe–Ta–C nanocrystalline soft magnetic underlayer (SUL) through MgO/SiO2 intermediate layers. The degree of L10 order, c-axis orientation and resulting magnetic properties of FePtAg–C nanogranular films grown at low temperatures are improved by the post annealing effect without changing the nanogranular microstructure dramatically. Square-shaped perpendicular hysteresis loops with large negative nucleation field of 3.8 kOe, 100% squareness, coercivity of ∼8 kOe, and high energy barrier of 2.13 eV were obtained for the double-layered medium. Temperature dependent Kerr loops measurement reveals that the coercivity and nucleation field decrease at a rate of 26 Oe/°C and 20 Oe/°C, respectively. These results suggest that the (001) textured FePtAg–C nanogranular films with perpendicular anisotropy on SUL may be suitable as a recording medium to realize ultrahigh-density perpendicular recording in the conventional recording system." @default.
- W2074490220 created "2016-06-24" @default.
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- W2074490220 date "2010-10-15" @default.
- W2074490220 modified "2023-10-16" @default.
- W2074490220 title "FePtAg–C nanogranular films fabricated on a heat resistant glass substrate for perpendicular magnetic recording" @default.
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- W2074490220 doi "https://doi.org/10.1063/1.3487978" @default.
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