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A three-dimensional spin-diffusion model for micromagnetics
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DOI：10.1038/srep14855.png)
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摘要
En 中文
We solve a time-dependent three-dimensional spin-diffusion model coupled to the Landau-Lifshitz-Gilbert equation numerically. The presented model is validated by comparison to two established spin-torque models: The model of Slonzewski that describes spin-torque in multi-layer structures in the presence of a fixed layer and the model of Zhang and Li that describes current driven domain-wall motion. It is shown that both models are incorporated by the spin-diffusion description, i.e., the nonlocal effects of the Slonzewski model are captured as well as the spin-accumulation due to magnetization gradients as described by the model of Zhang and Li. Moreover, the presented method is able to resolve the time dependency of the spin-accumulation.
Keyword:
MICROWAVE OSCILLATIONS
DRIVEN
TORQUE
MULTILAYERS
EMISSION
DYNAMICS
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期刊
IF:
3.9
论文数:
28.2W
被引数:
83.5W
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