期刊
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
卷 401, 期 -, 页码 484-487出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jmmm.2015.10.090
关键词
Domain wall motion; Current; Temperature; Micromagnetic simulation
资金
- National Natural Science Foundation of China [11374253, 11247026]
The current-driven domain wall propagation along a thin ferromagnetic strip with thermal field is studied by means of micromagnetic simulations. The results show that the velocity of domain wall is almost independent of temperature until Walker breakdown happened. However the thermal field can suppress Walker breakdown and makes domain wall move faster. Further analysis indicates that the thermal field tends to keep the out-of-plane magnetic moment of the domain wall stay in high value, which can promote domain wall motion and suppress the Walker breakdown by breaking the period of domain wall transformation. (C) 2015 Elsevier B.V. All rights reserved.
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