Please use this identifier to cite or link to this item: https://doi.org/10.1109/TMAG.2007.892997
Title: Micromagnetic study on thermally induced magnetization reversal of a coupled spin chain system
Authors: Cheng, X.Z. 
Jalil, M.B.A. 
Lee, H.K.
Keywords: Coupled spin chain
Switching mechanism
Thermally induced magnetization
Issue Date: Jun-2007
Source: Cheng, X.Z., Jalil, M.B.A., Lee, H.K. (2007-06). Micromagnetic study on thermally induced magnetization reversal of a coupled spin chain system. IEEE Transactions on Magnetics 43 (6) : 2899-2901. ScholarBank@NUS Repository. https://doi.org/10.1109/TMAG.2007.892997
Abstract: We performed numerical studies of the dynamics of thermally induced magnetization reversal of a coupled Heisenberg spin chain, based on the stochastic Landau-Lifshitz-Gilbert equation. Special attention is given to characterizing the transitions between different switching mechanisms (e.g., coherent rotation, soliton, and multidroplet reversals), as the chain length L is increased. Our calculations reveal that the switching time, switching time distribution, and the time evolution behavior of magnetization reversal display nontrivial dependence on the chain length L, and undergo distinct transitions as a function of L. In particular, we found that the switching time distribution is an important determinant of thermal stability, in addition to the mean switching time. © 2007 IEEE.
Source Title: IEEE Transactions on Magnetics
URI: http://scholarbank.nus.edu.sg/handle/10635/70933
ISSN: 00189464
DOI: 10.1109/TMAG.2007.892997
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