Antiferromagnetically coupled capped bit patterned media for high-density magnetic recording

作者：Lubarda Marko V^*; Li Shaojing; Livshitz Boris; Fullerton Eric E; Lomakin Vitaliy

来源：Applied Physics Letters, 2011, 98(1): 012513.

DOI：10.1063/1.3532839

We report micromagnetic modeling of a bit patterned media where a two-dimensional array of patterned composite islands is antiferromagnetically coupled to a continuous capping layer. This media allows optimization of writability, switching field distributions, and readback response. Lateral and vertical exchange introduced through the coupling with the capping layer compensates the dipolar interactions between islands and antiferromagnetic coupling is employed to modulate the high-density readback response.

• 出版日期2011-1-3