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Magnetization switching modes in nanopillar spin valve under the external field |
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| Authors: | HUANG HouBing MA XingQiao YUE Tao XIAO ZhiHua SHI SanQiang & CHEN LongQing |
| Affiliation: | HUANG HouBing1,MA XingQiao1*,YUE Tao1,XIAO ZhiHua1,SHI SanQiang3 & CHEN LongQing2 1 Department of Physics,University of Science and Technology Beijing,Beijing 100083,China,2 Department of Materials Science and Engineering,The Pennsylvania State University,University Park,PA 16802,USA,3 Department of Mechanical Engineering,The Hong Kong Polytechnic University,Hung Hom,Kowloon,Hong Kong |
| Abstract: | The current-induced magnetic switching is studied in Co/Cu/Co nanopillar with an in-plane magnetization traversed under the perpendicular-to-plane external field.Magnetization switching is found to take place when the current density exceeds a threshold.By analyzing precessional trajectories,evolutions of domain walls and magnetization switching times under the perpendicular magnetic field,there are two different magnetization switching modes:nucleation and domain wall motion reversal;uniform magnetization ... |
| Keywords: | current-induced nanopillar spin transfer torque magnetization switching domain wall motion reversal uniform mag-netization reversal |
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