期刊
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
卷 296, 期 1, 页码 32-36出版社
ELSEVIER
DOI: 10.1016/j.jmmm.2005.01.023
关键词
spin-transfer torque; spin-current effect; magnetization dynamics; magnetic nanostructure
We have theoretically studied the magnetization behavior in the magnetic trilayer nanostructures under the influence of spin-transfer torque using the Landau-Lifshitz-Gilbert equation. The focus is the coherent transition of the magnetization from a static state to another static state induced by the spin current even in the presence of a large applied field. Based on the study, the experimental observations, which were thought to be due to spin-wave excitations previously, can be directly and quantitatively explained by the out-of-plane static states of the magnetization induced by the spin-current in the presence of large in-plane magnetic fields in the range of several Teslas. (C) 2005 Elsevier B.V. All rights reserved.
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