New Design for Obtaining Intermediate Layer of 2 nm in Granular-type Perpendicular Magnetic Recording Media

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概要

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• A new granular-type perpendicular magnetic recording media was designed to reduce the intermediate layer thickness. A medium with Ru intermediate layer of only 2 nm was prepared successfully on a highly oriented high-B_s FeCo soft underlayer (SUL). The CoPt-TiO_2 recording layer had a high crystal orientation, a high H_c of 6.5 kOe, and a high squareness ratio of 0.99. The magnetic property of the SUL was also good. The granular structure of the CoPt-TiO_2 recording layer in the new-designed medium is similar to that in the old-designed one.

• 2008-07-01

著者

• Shintaku K.

  Akita Res. Inst. Of Advanced Technol. Akita Res. And Dev. Center

関連論文

• New Design for Obtaining Intermediate Layer of 2 nm in Granular-type Perpendicular Magnetic Recording Media
• Reduction of Crystalline High-Bs Soft Underlayer Thickness for Obtaining Low Medium Noise in Epitaxial Perpendicular Recording Media
• Influence on the Recording Performance due to exchange coupling field of Soft Underlayer in Perpendicular Recording Media
• Effect of Al_2O_3 Additive on the Soft Magnetic Properties of High-B_s Fe-Co-Al-O Films on a Thin Underlayer
• Effect of Additives and Underlayers on the Soft Magnetic Properties of High-B_s Fe-Co Films

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