In-Plane Magnetic Field-Driven Creation and Annihilation of Magnetic Skyrmion Strings in Nanostructures

doi:10.1002/adfm.202008521

	In-Plane Magnetic Field-Driven Creation and Annihilation of Magnetic Skyrmion Strings in Nanostructures
	Mathur, Nitish 1; Yasin, Fehmi S.2; Stolt, Matthew J.1; Nagai, Takuro 3; Kimoto, Koji 3; Du, Haifeng 4,5; Tian, Mingliang 4,5; Tokura, Yoshinori 2,6; Yu, Xiuzhen 2; Jin, Song 1
刊名	ADVANCED FUNCTIONAL MATERIALS
	2021-01-20
关键词	FeGe nanostructures Lorentz transmission electron microscopy magnetic skyrmion strings magnetotransport spintronics
ISSN号	1616-301X
DOI	10.1002/adfm.202008521
通讯作者	Yu, Xiuzhen(yu_x@riken.jp) ; Jin, Song(jin@chem.wisc.edu)
英文摘要	In bulk chiral crystals, 3D structures of magnetic skyrmions form topologically protected skyrmion strings (SkS) that have shown potential as magnonic nano-waveguides for information transfer. Although SkS stability is expected to be enhanced in nanostructures of skyrmion-hosting materials, experimental observation and detection of SkS in nanostructures under an applied in-plane magnetic field is difficult. Here, temperature-dependent magnetic field-driven creation and annihilation of SkS in B20 FeGe nanostructures (nanowires and nanoplates) under in-plane magnetic field (H-\|\|) are shown and the mechanisms behind these transformations are explained. Unusual asymmetric and hysteretic magnetoresistance (MR) features are observed but previously unexplained during magnetic phase transitions within the SkS stability regime when H-\|\| is along the nanostructure's long edge, which increase the sensitivity of MR detection. Lorentz transmission electron microscopy of the SkS and other magnetic textures under H-\|\| in corroboration with the analysis of the anisotropic MR responses elucidates the field-driven creation and annihilation processes of SkS responsible for such hysteretic MR features and reveals an unexplored stability regime in nanostructures.
资助项目	NSF[ECCS-1609585] ; NSF Graduate Research Fellowship Program[DGE-1256259] ; NSF EAPSI fellowship ; JSPS[19H00660] ; JST CREST program[JPMJCR1874] ; NIMS microstructural characterization platform as a program of Nanotechnology Platform of the Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan[JPMXP09A19NM0138]
WOS研究方向	Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
语种	英语
出版者	WILEY-V C H VERLAG GMBH
WOS记录号	WOS:000609139600001
资助机构	NSF ; NSF Graduate Research Fellowship Program ; NSF EAPSI fellowship ; JSPS ; JST CREST program ; NIMS microstructural characterization platform as a program of Nanotechnology Platform of the Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan
内容类型	期刊论文
源URL	[http://ir.hfcas.ac.cn:8080/handle/334002/119881]
专题	中国科学院合肥物质科学研究院
通讯作者	Yu, Xiuzhen; Jin, Song
作者单位	1.Univ Wisconsin, Dept Chem, 1101 Univ Ave, Madison, WI 53706 USA 2.RIKEN Ctr Emergent Matter Sci CEMS, Wako, Saitama 3510198, Japan 3.Natl Inst Mat Sci NIMS, 1-1 Namiki, Tsukuba, Ibaraki 3050044, Japan 4.Chinese Acad Sci, High Magnet Field Lab, Hefei 230031, Anhui, Peoples R China 5.Univ Sci & Technol China USTC, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Peoples R China 6.Univ Tokyo, Tokyo Coll, Tokyo 1138656, Japan
推荐引用方式 GB/T 7714	Mathur, Nitish,Yasin, Fehmi S.,Stolt, Matthew J.,et al. In-Plane Magnetic Field-Driven Creation and Annihilation of Magnetic Skyrmion Strings in Nanostructures[J]. ADVANCED FUNCTIONAL MATERIALS,2021.
APA	Mathur, Nitish.,Yasin, Fehmi S..,Stolt, Matthew J..,Nagai, Takuro.,Kimoto, Koji.,...&Jin, Song.(2021).In-Plane Magnetic Field-Driven Creation and Annihilation of Magnetic Skyrmion Strings in Nanostructures.ADVANCED FUNCTIONAL MATERIALS.
MLA	Mathur, Nitish,et al."In-Plane Magnetic Field-Driven Creation and Annihilation of Magnetic Skyrmion Strings in Nanostructures".ADVANCED FUNCTIONAL MATERIALS (2021).