Simulations of continuous/cluster-pinned recording media

C. M. Loke, S. J. Greaves, H. Muraoka

Research output: Contribution to journalArticlepeer-review


Continuous/cluster-pinned recording media, consisting of cuboid clusters of various sizes exchange-coupled to a continuous hard layer, were modelled to investigate their suitability for high density data storage. The pinning field due to the clusters was determined by modelling domain-wall motion in the continuous layer. Larger clusters, a thinner continuous layer and increased saturation magnetisation of the clusters all increased the pinning field. Simulations of recording demonstrated the feasibility of using domain-wall pinning to control the written bit size in continuous media.

Original languageEnglish
Pages (from-to)2944-2947
Number of pages4
JournalJournal of Magnetism and Magnetic Materials
Issue number22
Publication statusPublished - 2008 Nov


  • Domain wall
  • Perpendicular recording


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