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Browse Journals & Magazines > Magnetics, IEEE Transactions ...> Volume:45 Issue:10 Help

Micromagnetic Modeling Study of Thermal Gradient Effect in Heat-Assisted Magnetic Recording (HAMR)

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4 Author(s)
Torabi, A.F. ; Western Digital Corp., San Jose, CA, USA ; van Ek, J. ; Champion, E. ; Wang, J.

The performance of heat assisted magnetic recording (HAMR) is simulated using a multilayer micromagnetic model. Recording performance parameters such as signal-to-noise ratio (SNR) were simulated as a function of the vertical thermal gradient in the recording media. Simulation results show that the vertical thermal gradient in the media has to be higher than ( -28 deg/nm) in order to have no loss of SNR based on parameters used in the model. Curie temperature writing is also necessary in order to maximize the SNR.

Published in:
Magnetics, IEEE Transactions on  (Volume:45 ,  Issue: 10 )

Date of Publication: Oct. 2009

Page(s):
3848 - 3850
ISSN :
0018-9464
INSPEC Accession Number:
10880239
Digital Object Identifier :
10.1109/TMAG.2009.2023877
Date of Current Version :
22 September 2009
Issue Date :
Oct. 2009
Sponsored by :
IEEE Magnetics Society

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