Please use this identifier to cite or link to this item: https://doi.org/10.1109/TMAG.2007.892587
Title: Effect of Gilbert damping term on the current induced magnetization switching of ring-shaped spin valve structures
Authors: Jie, G. 
Jalil, M.B.A. 
Seng, G.T.
Keywords: Damping coefficient
Magnetoresistance random access memory (MRAM)
Spin torque
Spin valve
Issue Date: Jun-2007
Source: Jie, G., Jalil, M.B.A., Seng, G.T. (2007-06). Effect of Gilbert damping term on the current induced magnetization switching of ring-shaped spin valve structures. IEEE Transactions on Magnetics 43 (6) : 2923-2925. ScholarBank@NUS Repository. https://doi.org/10.1109/TMAG.2007.892587
Abstract: In this paper, we present a micromagnetic study of the effect of the Gilbert damping term on the magnetization reversal properties of a ring-shaped PSV. The transition between the two stable vortex states of the storage layer is modeled by applying a write current pulse and considering the effects of the Ampere field and spin-transfer torque. The magnetization switching mechanism is investigated for different amplitude and duration of the current pulse. The optimal switching behavior under varying damping coefficient is discussed. We observe that apart from the current pulse amplitude and duration, the damping coefficient also has a significant effect on magnetization switching properties, especially for short current pulses. © 2007 IEEE.
Source Title: IEEE Transactions on Magnetics
URI: http://scholarbank.nus.edu.sg/handle/10635/70075
ISSN: 00189464
DOI: 10.1109/TMAG.2007.892587
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