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Improved Grain Isolation in [Co/Pd]n Multilayer Media for Thermally Assisted Magnetic Recording

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6 Author(s)
Hirotsune, Akemi ; Central Res. Lab., Hitachi, Ltd., Odawara, Japan ; Nemoto, Hiroaki ; Takekuma, I. ; Nakamura, K.
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The effect of the magnetic and structural properties on recording performance was investigated. Well grain-isolated media were obtained by adding boron and oxygen into the [Co/Pd]n multilayer and cooling the substrate. We found that the recorded bit size could be decreased by reducing the magnetic cluster size. Twenty-flve-nm bits were successfully recorded on the improved media with a magnetic cluster size of about 30 nm.

Published in:
Magnetics, IEEE Transactions on  (Volume:46 ,  Issue: 6 )

Date of Publication: June 2010

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