NDLI: Areal Density Prediction for Microwave-Assisted Magnetic Recording

Content Provider	IEEE Xplore Digital Library
Author	Teo, K.K. Chan, K.S. Greaves, S.J. Kanai, Y.
Copyright Year	1965
Abstract	In this paper, we perform an estimate of the areal density achievable for microwave-assisted magnetic recording (MAMR) using micromagnetic simulations (μ-mag), the grain-flipping probability (GFP) model, and a software recording channel simulation platform. In previous work, at Tohoku, micromagnetic simulations were run for the MAMR based on various grain sizes and bit lengths in a shingled magnetic recording scheme on single-layer recording media with high anisotropy energy. The micromagnetic outputs are subsequently used to characterize the GFP model and run low-density parity check coded channel simulations at the DSI. The channel simulations determine the code rate needed to make the MAMR work from which the user areal density for shingled MAMR can be determined. This system-level study gives us insight into the impact the error rates and the signal-to-noise ratio have on the areal density for the MAMR.
Sponsorship	IEEE Magnetics Society
Starting Page	1
Ending Page	4
Page Count	4
File Size	1115959
File Format	PDF
ISSN	00189464
Volume Number	51
Issue Number	11
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Solid modeling Micromagnetics Magnetic heads Magnetic recording Media Grain size Signal to noise ratio Microwave Assisted Magnetic Recording (MAMR) Micromagnetic simulations Areal Density Grain Flipping Probability (GFP) microwave-assisted magnetic recording (MAMR) Areal density grain-flipping probability (GFP) micromagnetic simulations
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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Comparison of Signals From Micromagnetic Simulations, GFP Model, and an HDD Readback

SNR and Areal Density Gain in MAMR With Segmented Media

Signal-to-Noise Ratio Improvement of MAMR on CoX/Pt Media

Optimizing Modeled ECC Media Structures for MAMR

Channel Characterization and Performance Evaluation of Bit-Patterned Media

Model Analysis of Magnetic Write Head for Shingled Thermally Assisted Magnetic Recording

Effect of Effective Field Distribution on Recording Performance in Microwave Assisted Magnetic Recording

Detrimental Effects of the STO Vertical Field Component in MAMR

The Dynamics of Microwave-Assisted Magnetic Recording

Areal Density Prediction for Microwave-Assisted Magnetic Recording

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

SNR and Areal Density Gain in MAMR With Segmented Media

Signal-to-Noise Ratio Improvement of MAMR on CoX/Pt Media

Optimizing Modeled ECC Media Structures for MAMR

Channel Characterization and Performance Evaluation of Bit-Patterned Media

Model Analysis of Magnetic Write Head for Shingled Thermally Assisted Magnetic Recording

Effect of Effective Field Distribution on Recording Performance in Microwave Assisted Magnetic Recording

Detrimental Effects of the STO Vertical Field Component in MAMR

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