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Magnetic Skyrmion Formation at Lattice Defects and Grain Boundaries Studied by Quantitative Off-Axis Electron Holography

文献类型：期刊论文

作者Li, Zi-An1,2,3,4,5; Zheng, Fengshan3,4; Tavabi, Amir Hossein3,4; Caron, Jan3,4; Jin, Chiming6; Du, Haifeng6; Kovacs, Andras3,4; Tian, Mingliang6; Farle, Michael1,2,7; Dunin-Borkowski, Rafal E.3,4
刊名NANO LETTERS
出版日期2017-03-01
卷号17期号:3页码:1395-1401
关键词Magnetic Skyrmion Off-axis Electron Holography Lorentz Microscopy Fege Helimagnet Magnetic Defects
DOI10.1021/acs.nanolett.6b04280
文献子类Article
英文摘要We use in situ Lorentz microscopy and off-axis electron holography to investigate the formation and characteristics of skyrmion lattice defects and their relationship to the underlying crystallographic structure of a B20 FeGe thin film. We obtain experimental measurements of spin configurations at grain boundaries, which reveal inversions of crystallographic and magnetic chirality across adjacent grains, resulting in the formation of interface spin stripes at the grain boundaries. In the absence of material defects, we observe that skyrmions lattices possess dislocations and domain boundaries, in analogy to atomic crystals. Moreover, the distorted skyrmions can flexibly change their size and shape to accommodate local geometry, especially at sites of dislocations in the skyrmion lattice. Our findings provide a detailed understanding of the elasticity of topologically protected skyrmions and their correlation with underlying material defects.
WOS关键词REAL-SPACE OBSERVATION ; SPIN-DENSITY-WAVE ; WEAK FERROMAGNETISM ; CRYSTAL CHIRALITY ; MNSI ; HELICITY ; DYNAMICS ; DIFFRACTION
WOS研究方向Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
语种英语
WOS记录号WOS:000396185800012
资助机构Natural Science Foundation of China(11474290 ; Natural Science Foundation of China(11474290 ; Natural Science Foundation of China(11474290 ; Natural Science Foundation of China(11474290 ; Natural Science Foundation of China(11474290 ; Natural Science Foundation of China(11474290 ; Natural Science Foundation of China(11474290 ; Natural Science Foundation of China(11474290 ; European Research Council under the European Union(320832) ; European Research Council under the European Union(320832) ; European Research Council under the European Union(320832) ; European Research Council under the European Union(320832) ; European Research Council under the European Union(320832) ; European Research Council under the European Union(320832) ; European Research Council under the European Union(320832) ; European Research Council under the European Union(320832) ; 11374302 ; 11374302 ; 11374302 ; 11374302 ; 11374302 ; 11374302 ; 11374302 ; 11374302 ; U1432251) ; U1432251) ; U1432251) ; U1432251) ; U1432251) ; U1432251) ; U1432251) ; U1432251) ; Natural Science Foundation of China(11474290 ; Natural Science Foundation of China(11474290 ; Natural Science Foundation of China(11474290 ; Natural Science Foundation of China(11474290 ; Natural Science Foundation of China(11474290 ; Natural Science Foundation of China(11474290 ; Natural Science Foundation of China(11474290 ; Natural Science Foundation of China(11474290 ; European Research Council under the European Union(320832) ; European Research Council under the European Union(320832) ; European Research Council under the European Union(320832) ; European Research Council under the European Union(320832) ; European Research Council under the European Union(320832) ; European Research Council under the European Union(320832) ; European Research Council under the European Union(320832) ; European Research Council under the European Union(320832) ; 11374302 ; 11374302 ; 11374302 ; 11374302 ; 11374302 ; 11374302 ; 11374302 ; 11374302 ; U1432251) ; U1432251) ; U1432251) ; U1432251) ; U1432251) ; U1432251) ; U1432251) ; U1432251)
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/32830]  
专题合肥物质科学研究院_中科院强磁场科学中心
作者单位1.Univ Duisburg Essen, Fac Phys, D-47057 Duisburg, Germany
2.Univ Duisburg Essen, Ctr Nanointegrat CENIDE, D-47057 Duisburg, Germany
3.Forschungszentrum Julich, Ernst Ruska Ctr Microscopy & Spect Electrons, D-52425 Julich, Germany
4.Forschungszentrum Julich, Peter Grunberg Inst, D-52425 Julich, Germany
5.Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China
6.Chinese Acad Sci, High Field Magnet Lab, Hefei 230031, Anhui, Peoples R China
7.Immanuel Kant Balt Fed Univ, Ctr Functionalized Magnet Mat FunMagMa, Kaliningrad, Russia
推荐引用方式
GB/T 7714		 Li, Zi-An,Zheng, Fengshan,Tavabi, Amir Hossein,et al. Magnetic Skyrmion Formation at Lattice Defects and Grain Boundaries Studied by Quantitative Off-Axis Electron Holography[J]. NANO LETTERS,2017,17(3):1395-1401.
APA Li, Zi-An.,Zheng, Fengshan.,Tavabi, Amir Hossein.,Caron, Jan.,Jin, Chiming.,...&Dunin-Borkowski, Rafal E..(2017).Magnetic Skyrmion Formation at Lattice Defects and Grain Boundaries Studied by Quantitative Off-Axis Electron Holography.NANO LETTERS,17(3),1395-1401.
MLA Li, Zi-An,et al."Magnetic Skyrmion Formation at Lattice Defects and Grain Boundaries Studied by Quantitative Off-Axis Electron Holography".NANO LETTERS 17.3(2017):1395-1401.

入库方式： OAI收割

来源：合肥物质科学研究院

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