Comparison of Signals From Micromagnetic Simulations, GFP Model, and an HDD Readback

Comparison of Signals From Micromagnetic Simulations, GFP Model, and an HDD Readback

The grain flipping probability (GFP) model is used to reproduce the output of micromagnetic (μ-mag) simulations several orders of magnitude faster. In this paper, we compare signals from the μ-magsimulations and the GFP model with readback from a Seagate hard disk drive (HDD). We validate our models...

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Veröffentlicht in:IEEE transactions on magnetics 2015-11, Vol.51 (11), p.1-4
Hauptverfasser: Kheong Sann Chan, Kim Keng Teo, Yu Lin, Maria, Hiau Choon Kee, Elidrissi, Moulay Rachid, Quan Li, Ko, Bengtheam, Quekleong Choo, Myint Ngwe Maung
Format: Artikel
Sprache:eng
Schlagworte:
Benchmarking
Bit error rate
Computer simulation
Disk drives
Grain flipping probability (GFP) model
Grains
Hard disk drives (HDDs)
Magnetic heads
Magnetic hysteresis
Magnetic recording
Magnetism
Mathematical models
micromagnetic simulations
Micromagnetics
overshoot triplet
recording channel
Saturation magnetization
Signal to noise ratio
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Zusammenfassung:The grain flipping probability (GFP) model is used to reproduce the output of micromagnetic (μ-mag) simulations several orders of magnitude faster. In this paper, we compare signals from the μ-magsimulations and the GFP model with readback from a Seagate hard disk drive (HDD). We validate our models by benchmarking the model output against the HDD readback in terms of magnetic write width, and signal-to-noise ratio and bit error rate as a function of the overshoot triplet parameters.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2015.2441742