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Title: Channel characterization and performance evaluation of bit-patterned media
Authors: Lin, M.Y.
Elidrissi, M.R.
Chan, K.S.
Eason, K.
Chua, M.
Asbahi, M.
Yang, J.K.W.
Thiyagarajah, N. 
Ng, V. 
Keywords: Bit-patterned media (BPM)
grain flipping probability (GFP) model
hard disk drives (HDDs)
jitter characterization
magnetic recording
micromagnetic simulations
signal processing
Issue Date: 2013
Citation: Lin, M.Y., Elidrissi, M.R., Chan, K.S., Eason, K., Chua, M., Asbahi, M., Yang, J.K.W., Thiyagarajah, N., Ng, V. (2013). Channel characterization and performance evaluation of bit-patterned media. IEEE Transactions on Magnetics 49 (2) : 723-729. ScholarBank@NUS Repository.
Abstract: Bit-patterned media (BPM) is a promising approach to push back the onset of the superparamagnetic limit faced by conventional continuous granular media. Today, BPM islands can be fabricated at densities higher than can be characterized by existing methods and full bit-patterned media recording (BPMR) is still a long way off. In this work, we rely on simulations to predict how such islands would perform in a real recording scenario. The grain flipping probability (GFP) model is trained via micromagnetic simulations and reproduces the magnetic profiles used to generate readback signals for channel simulations. The geometrical parameters to the micromagnetic simulations, such as the island size variations and island position jitter are characterized from measurements of islands fabricated via e-beam at various channel densities. © 1965-2012 IEEE.
Source Title: IEEE Transactions on Magnetics
ISSN: 00189464
DOI: 10.1109/TMAG.2012.2226708
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