Dependence of Predicted Areal Density on Common Optimization Strategies for Heat-Assisted Magnetic Recording

Yipeng Jiao, R. H. Victora

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

The ultimate user storage-area density for heat-assisted magnetic recording is an important consideration both from research and commercial perspectives. We propose two new algorithms to accelerate recording simulations based on general-purpose computing graphics processing units. We predict user areal density with current technologies and those expected to be available in the near future. Micromagnetic simulation predicts a user areal density of 1.8 Tb/in2. Optimization of track pitch in the absence of track misregistration increases the density to 5 TBit/in2 for perfect recording.

Original languageEnglish (US)
Article number7956162
JournalIEEE Magnetics Letters
Volume8
DOIs
StatePublished - Jun 23 2017

Keywords

  • Information storage
  • heat-assisted magnetic recording
  • micromagnetic models
  • recording physics

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