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Observation of Various and Spontaneous Magnetic Skyrmionic Bubbles at Room Temperature in a Frustrated Kagome Magnet with Uniaxial Magnetic Anisotropy
Hou, Zhipeng; Ren, Weijun; Ding, Bei; Xu, Guizhou; Wang, Yue; Yang, Bing; Zhang, Qiang; Zhang, Ying; Liu, Enke; Xu, Feng; Wang, Wenhong; Wu, Guangheng; Zhang, Xixiang; Shen, Baogen; Zhang, Zhidong; Wang, WH (reprint author), Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China.; Ren, WJ (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Mat Sci Natl Lab, 72 Wenhua Rd, Shenyang 110016, Peoples R China.
2017-08-04
发表期刊WILEY-V C H VERLAG GMBH
ISSN0935-9648
卷号29期号:29页码:-
摘要The quest for materials hosting topologically protected skyrmionic spin textures continues to be fueled by the promise of novel devices. Although many materials have demonstrated the existence of such spin textures, major challenges remain to be addressed before devices based on magnetic skyrmions can be realized. For example, being able to create and manipulate skyrmionic spin textures at room temperature is of great importance for further technological applications because they can adapt to various external stimuli acting as information carriers in spintronic devices. Here, the first observation of skyrmionic magnetic bubbles with variable topological spin textures formed at room temperature in a frustrated kagome Fe3Sn2 magnet with uniaxial magnetic anisotropy is reported. The magnetization dynamics are investigated using in situ Lorentz transmission electron microscopy, revealing that the transformation between different magnetic bubbles and domains is via the motion of Bloch lines driven by an applied external magnetic field. These results demonstrate that Fe3Sn2 facilitates a unique magnetic control of topological spin textures at room temperature, making it a promising candidate for further skyrmion-based spintronic devices.; The quest for materials hosting topologically protected skyrmionic spin textures continues to be fueled by the promise of novel devices. Although many materials have demonstrated the existence of such spin textures, major challenges remain to be addressed before devices based on magnetic skyrmions can be realized. For example, being able to create and manipulate skyrmionic spin textures at room temperature is of great importance for further technological applications because they can adapt to various external stimuli acting as information carriers in spintronic devices. Here, the first observation of skyrmionic magnetic bubbles with variable topological spin textures formed at room temperature in a frustrated kagome Fe3Sn2 magnet with uniaxial magnetic anisotropy is reported. The magnetization dynamics are investigated using in situ Lorentz transmission electron microscopy, revealing that the transformation between different magnetic bubbles and domains is via the motion of Bloch lines driven by an applied external magnetic field. These results demonstrate that Fe3Sn2 facilitates a unique magnetic control of topological spin textures at room temperature, making it a promising candidate for further skyrmion-based spintronic devices.
部门归属[hou, zhipeng ; ding, bei ; wang, yue ; zhang, ying ; liu, enke ; wang, wenhong ; wu, guangheng ; shen, baogen] chinese acad sci, inst phys, beijing natl lab condensed matter phys, beijing 100190, peoples r china ; [ren, weijun ; yang, bing ; zhang, zhidong] chinese acad sci, inst met res, shenyang mat sci natl lab, 72 wenhua rd, shenyang 110016, peoples r china ; [xu, guizhou ; xu, feng] nanjing univ sci & technol, sch mat sci & engn, nanjing 210094, jiangsu, peoples r china ; [zhang, qiang ; zhang, xixiang] king abdullah univ sci & technol kaust, phys sci & engn pse, thuwal 239556900, saudi arabia
关键词Fe3sn2 Kagome Magnets Skyrmionic Bubbles Spintronic Devices Topological Spin Textures
学科领域Chemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
资助者National Natural Science Foundation of China [11474343, 11574374, 11604148, 51471183, 51590880, 51331006, 5161192]; King Abdullah University of Science and Technology (KAUST) Office of Sponsored Research (OSR) [CRF-2015-2549-CRG4]; China Postdoctoral Science Foundation [Y6BK011M51]; Chinese Academy of Sciences [KJZD-EW-M05-3, XDB07010300]
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/79156
专题中国科学院金属研究所
通讯作者Wang, WH (reprint author), Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China.; Ren, WJ (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Mat Sci Natl Lab, 72 Wenhua Rd, Shenyang 110016, Peoples R China.
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GB/T 7714
Hou, Zhipeng,Ren, Weijun,Ding, Bei,et al. Observation of Various and Spontaneous Magnetic Skyrmionic Bubbles at Room Temperature in a Frustrated Kagome Magnet with Uniaxial Magnetic Anisotropy[J]. WILEY-V C H VERLAG GMBH,2017,29(29):-.
APA Hou, Zhipeng.,Ren, Weijun.,Ding, Bei.,Xu, Guizhou.,Wang, Yue.,...&Ren, WJ .(2017).Observation of Various and Spontaneous Magnetic Skyrmionic Bubbles at Room Temperature in a Frustrated Kagome Magnet with Uniaxial Magnetic Anisotropy.WILEY-V C H VERLAG GMBH,29(29),-.
MLA Hou, Zhipeng,et al."Observation of Various and Spontaneous Magnetic Skyrmionic Bubbles at Room Temperature in a Frustrated Kagome Magnet with Uniaxial Magnetic Anisotropy".WILEY-V C H VERLAG GMBH 29.29(2017):-.
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