Independent control of the vortex chirality and polarity in a pair of magnetic nanodots
Li, JQ; Wang, Y; Cao, JF; Meng, XY; Zhu, FY; Wu, YQ; Tai, RZ
2017
发表期刊JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
ISSN0304-8853
卷号435期号:-页码:167-172
文章类型期刊论文
摘要Independent control of the vortex chirality and polarity is realized by changing the in-plane magnetic field direction in nanodot pair through Object Oriented Micromagnetic Framework (OOMMF) simulation. The two magnetic circles are close to each other and have magnetic interaction. The two circles always have the same polarity and opposite chirality at every remanent state. There are totally four predictable magnetic states in the nanodot pair which can be obtained in the remanent state relaxed from the saturation state along all possible directions. An explanation on the formation of vortex states is given by vortex dynamics. The vortex states are stable in large out-of-plane magnetic field which is in a direction opposite to the vortex polarity. The geometry of the nanodot pair gives a way to easily realize a vortex state with specific polarity and chirality. (C) 2017 Elsevier B. V. All rights reserved.
关键词Permalloy Nanostructures Disks Dots
DOI10.1016/j.jmmm.2017.03.080
关键词[WOS]PERMALLOY ; NANOSTRUCTURES ; DISKS ; DOTS
收录类别SCI
语种英语
WOS记录号WOS:000402477400024
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/28696
专题中科院上海应用物理研究所2011-2018年
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Li, JQ,Wang, Y,Cao, JF,et al. Independent control of the vortex chirality and polarity in a pair of magnetic nanodots[J]. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS,2017,435(-):167-172.
APA Li, JQ.,Wang, Y.,Cao, JF.,Meng, XY.,Zhu, FY.,...&Tai, RZ.(2017).Independent control of the vortex chirality and polarity in a pair of magnetic nanodots.JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS,435(-),167-172.
MLA Li, JQ,et al."Independent control of the vortex chirality and polarity in a pair of magnetic nanodots".JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 435.-(2017):167-172.
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