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Journals and Conferences
As the recording density of hard-disk drives increases, it becomes more important to suppress media noise, which is deeply related to magnetic cluster. In this study, the magnetic cluster, thermal… (More)
THE dynamic behaviour of the quantized vortices of magnetic flux that penetrate type II superconductors, and specifically their interaction with pinning sites, is a topic of both scientific and… (More)
A spin-torque oscillator (STO) with perpendicularly magnetized reference layer and a field generating layer (FGL) with high saturation moment was compared with an STO having a perpendicular… (More)
Microwave-assisted magnetic recording (MAMR) employs a spin-torque oscillator (STO) to assist a standard magnetic writer field in switching grains of a magnetic recording medium. The STO field has… (More)
Introduction Perpendicular magnetic recording has a possibility of mlving the thermal stability of a recording medium[ll. But noise of perpendicular recording medium must be much more reduced to… (More)
In this study, wrong points of conventional Sharrock's formula are investigated based on the micromagnetic simulation and the method for obtaining correct values for Kb and Hero is discussed.
Oscillation behavior of a spin torque oscillator (STO) less than 40 nm in size was investigated by using micromagnetic simulations for microwave-assisted magnetic recording (MAMR) over 5… (More)
The possibility of 300-500 Gbit/in/sup 2/ perpendicular recording using granular recording media with dispersions of grain size and separation has been investigated through micromagnetic simulation… (More)
In this paper, we discuss the effect of aspect ratio of grains and inter-grain spacing on the M-H loops using micromagnetic simulation.
Micro-magnetic simulation showed the possibility of 300-500 Gbit/in/sup 2/ recording using a granular perpendicular recording medium with large grain separation (LGS medium). Among granular media… (More)