Stacking Domain Wall Magnons in Twisted van der Waals Magnets

doi:10.1103/PhysRevLett.125.247201

	Stacking Domain Wall Magnons in Twisted van der Waals Magnets
	Wang, Chong 1; Gao, Yuan 1,2; Lv, Hongyan 1,3; Xu, Xiaodong 4,5; Xiao, Di 1
刊名	PHYSICAL REVIEW LETTERS
	2020-12-08
卷号	125
ISSN号	0031-9007
DOI	10.1103/PhysRevLett.125.247201
通讯作者	Wang, Chong()
英文摘要	Using bilayer CrI3 as an example, we demonstrate that stacking domain walls in van der Waals magnets can host one-dimensional (1D) magnon channels, which have lower energies than bulk magnons. Interestingly, some magnon channels are hidden in magnetically homogeneous background and can only be inferred with the knowledge of stacking domain walls. Compared to 1D magnons confined in magnetic domain walls, 1D magnons in stacking domain walls are more stable against external perturbations. We show that the relaxed moire superlattices of small-angle twisted bilayer CrI3 is a natural realization of stacking domain walls and host interconnected moire magnon network. Our Letter reveals the importance of stacking domain walls in understanding magnetic properties of van der Waals magnets and extends the scope of stacking engineering to magnetic dynamics.
资助项目	AFOSR MURI 2D MAGIC[FA9550-19-10390] ; DOE[DE-SC0012509] ; China Scholarship Council[201906340219] ; China Scholarship Council[201904910165] ; NSF[TG-DMR190080] ; NSF[ACI-1548562]
WOS关键词	FERROMAGNETISM ; EXCITATION
WOS研究方向	Physics
语种	英语
出版者	AMER PHYSICAL SOC
WOS记录号	WOS:000596461100011
资助机构	AFOSR MURI 2D MAGIC ; DOE ; China Scholarship Council ; NSF
内容类型	期刊论文
源URL	[http://ir.hfcas.ac.cn:8080/handle/334002/119950]
专题	中国科学院合肥物质科学研究院
通讯作者	Wang, Chong
作者单位	1.Carnegie Mellon Univ, Dept Phys, Pittsburgh, PA 15213 USA 2.Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Int Ctr Quantum Design Funct Mat ICQD, Hefei 230026, Peoples R China 3.Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Peoples R China 4.Univ Washington, Dept Phys, Seattle, WA 98195 USA 5.Univ Washington, Dept Mat Sci & Engn, Seattle, WA 98195 USA
推荐引用方式 GB/T 7714	Wang, Chong,Gao, Yuan,Lv, Hongyan,et al. Stacking Domain Wall Magnons in Twisted van der Waals Magnets[J]. PHYSICAL REVIEW LETTERS,2020,125.
APA	Wang, Chong,Gao, Yuan,Lv, Hongyan,Xu, Xiaodong,&Xiao, Di.(2020).Stacking Domain Wall Magnons in Twisted van der Waals Magnets.PHYSICAL REVIEW LETTERS,125.
MLA	Wang, Chong,et al."Stacking Domain Wall Magnons in Twisted van der Waals Magnets".PHYSICAL REVIEW LETTERS 125(2020).