2003•Journal of Applied PhysicsRequires access

Bicrystal structure of tilted perpendicular media for ultra-high-density recording

Lijie Guan, Jian‐Gang Zhu

Abstract

A modified tilted perpendicular medium has been proposed. With crystalline easy axes oriented randomly at ±45° relative to the perpendicular direction in the cross-track plane, the in-plane magnetic charges in the uniformly tilted perpendicular media can be effectively eliminated. Recording properties of the tilted perpendicular media are studied via micromagnetic simulation. In addition to the advantage of less saturation field, titled perpendicular media also show improved recording performance as compared to the conventional perpendicular media.

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Key concepts: Perpendicular, Perpendicular recording, Recording media, Condensed matter physics, Materials science, Plane (geometry), Saturation (graph theory), Film plane