Very large Dzyaloshinskii-Moriya interaction in two-dimensional Janus manganese dichalcogenides and its application to realize skyrmion states
文献类型：期刊论文
| 作者 | Liang, Jinghua3; Wang, Weiwei4,5; Du, Haifeng4,5 ; Hall, Ali6; Garcia, Karin7,8; Chshiev, Mairbek6; Fert, Albert2,7,8; Yang, Hongxin1,3
|
| 刊名 | PHYSICAL REVIEW B
 |
| 出版日期 | 2020-05-01 |
| 卷号 | 101 |
| ISSN号 | 2469-9950 |
| DOI | 10.1103/PhysRevB.101.184401 |
| 通讯作者 | Yang, Hongxin(hongxin.yang.spintec@gmail.com) |
| 英文摘要 | The Dzyaloshinskii-Moriya interaction (DMI), which only exists in noncentrosymmetric systems, is responsible for the formation of exotic chiral magnetic states. The absence of DMI in most two-dimensional (2D) magnetic materials is due to their intrinsic inversion symmetry. Here, using first-principles calculations, we demonstrate that significant DMI can be obtained in a series of Janus monolayers of manganese dichalcogenides MnXY (X,Y= S, Se, Te, X not equal Y) in which the difference between X and Y on the opposite sides of Mn breaks the inversion symmetry. In particular, the DMI amplitudes of MnSeTe and MnSTe are comparable to those of state-of-the-art ferromagnet/heavy metal heterostructures. In addition, by performing Monte Carlo simulations, we find that at low temperatures the ground states of the MnSeTe and MnSTe monolayers can transform from ferromagnetic states with wormlike magnetic domains into the skyrmion states by applying an external magnetic field. At increasing temperature, the skyrmion states start fluctuating above 50 K before an evolution to a completely disordered structure at higher temperature. The present results pave the way for new device concepts utilizing chiral magnetic structures in specially designed 2D ferromagnetic materials. |
| WOS关键词 | INITIO MOLECULAR-DYNAMICS ; TOTAL-ENERGY CALCULATIONS ; ELECTRONIC-STRUCTURE ; FERROMAGNETISM ; TRANSITION ; SURFACES ; CRYSTAL ; LATTICE |
| 资助项目 | National Natural Science Foundation of China[11874059] ; Zhejiang Province Natural Science Foundation of China[LR19A040002] ; Key Research Program of Frontier Sciences, CAS[ZDBS-LY-7021] ; DARPA TEE program ; DIPC ; University of the Basque Country ; Horizon 2020 Research and Innovation Programme[785219] |
| WOS研究方向 | Materials Science ; Physics |
| 语种 | 英语 |
| WOS记录号 | WOS:000529804900003 |
| 出版者 | AMER PHYSICAL SOC |
| 资助机构 | National Natural Science Foundation of China ; Zhejiang Province Natural Science Foundation of China ; Key Research Program of Frontier Sciences, CAS ; DARPA TEE program ; DIPC ; University of the Basque Country ; Horizon 2020 Research and Innovation Programme |
| 源URL | [http://ir.hfcas.ac.cn:8080/handle/334002/103421]  |
| 专题 | 中国科学院合肥物质科学研究院 |
| 通讯作者 | Yang, Hongxin |
| 作者单位 | 1.Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China 2.Univ Paris Saclay, Unite Mixte Phys, Thales, CNRS, Palaiseau 91767, France 3.Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Peoples R China 4.Chinese Acad Sci, Anhui Prov Key Lab Condensed Matter Phys Extreme, High Magnet Field Lab, Hefei 230026, Peoples R China 5.Univ Sci & Technol China, Hefei 230026, Peoples R China 6.Univ Grenoble Alpes, CEA, CNRS, Spintec, Grenoble 38000, France 7.DIPC, San Sebastian 2018, Spain 8.Univ Basque Country, San Sebastian 2018, Spain |
| 推荐引用方式 GB/T 7714 | Liang, Jinghua,Wang, Weiwei,Du, Haifeng,et al. Very large Dzyaloshinskii-Moriya interaction in two-dimensional Janus manganese dichalcogenides and its application to realize skyrmion states[J]. PHYSICAL REVIEW B,2020,101. |
| APA | Liang, Jinghua.,Wang, Weiwei.,Du, Haifeng.,Hall, Ali.,Garcia, Karin.,...&Yang, Hongxin.(2020).Very large Dzyaloshinskii-Moriya interaction in two-dimensional Janus manganese dichalcogenides and its application to realize skyrmion states.PHYSICAL REVIEW B,101. |
| MLA | Liang, Jinghua,et al."Very large Dzyaloshinskii-Moriya interaction in two-dimensional Janus manganese dichalcogenides and its application to realize skyrmion states".PHYSICAL REVIEW B 101(2020). |
入库方式： OAI收割
来源：合肥物质科学研究院
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。