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Effect of anisotropy field of soft magnetic underlayer on read/write properties in perpendicular recording media

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4 Author(s)
Nakatani, Y. ; University of Electro-Communications, Chofu, Tokyo, 182, Japan ; Hayashi, N. ; Uesaka, Y. ; Fukushima, H.

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The change in the read/write properties of double-layered perpendicular recording media with uniaxial anisotropy in the soft layer was investigated by micromagnetic simulation. It was found from the result of calculation that the media signal-to-noise ratio decreases by the soft layers, however, it can be improved by giving larger anisotropy to the soft layer. © 2003 American Institute of Physics.

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Journal of Applied Physics  (Volume:93 ,  Issue: 10 )