Mechanical-electro-magnetic coupling in strained bilayer CrI3
文献类型:期刊论文
作者 | Zhang, ShuQing1,2; Zou, XiaoLong1,2; Cheng, HuiMing1,2,3 |
刊名 | SCIENCE CHINA-TECHNOLOGICAL SCIENCES
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出版日期 | 2020-05-27 |
卷号 | 63期号:7页码:7 |
关键词 | bilayer CrI3 magnetic coupling strain band gap orbital composition |
ISSN号 | 1674-7321 |
DOI | 10.1007/s11431-019-1585-8 |
通讯作者 | Zou, XiaoLong(xlzou@sz.tsinghua.edu.cn) |
英文摘要 | The discovery of intrinsic 2D ferromagnets provides exciting possibilities for spintronics applications. A particularly attractive example is CrI3, whose monolayer is ferromagnetic while bilayer shows antiferromagnetic coupling. Because of weak interlayer coupling, the magnetism of bilayer CrI3 can be easily modulated by external perturbations, such as gating or pressure. Here, we constructed a magnetic phase diagram of bilayer CrI3 under arbitrary biaxial strain (within +/- 4%) from compression to stretch, and found that compressive strain can effectively convert the antiferromagnetic coupling of bilayer CrI3 to ferromagnetic. Detailed analyses on electronic structure were then performed to unravel the underlying mechanism of the magnetic phase transition. It was shown that both band gap and orbital composition at conduction band minimum play important roles in determining magnetic ground states of strained bilayer CrI3. These results strengthen our understanding of the interlayer magnetism of 2D magnets and provide a feasible way to modulate the magnetism in 2D layered materials. |
资助项目 | National Key Research and Development Program of China[2017YFB0701600] ; National Natural Science Foundation of China[11974197] ; National Natural Science Foundation of China[51920105002] ; Shenzhen Basic Research Projects[JCYJ20170407155608882] ; Guangdong Innovative and Entrepreneurial Research Team Program[2017ZT07C341] ; Bureau of Industry and Information Technology of Shenzhen ; Graphene Manufacturing Innovation Center Project[201901171523] ; China Postdoctoral Science Foundation[2018M631458] |
WOS研究方向 | Engineering ; Materials Science |
语种 | 英语 |
WOS记录号 | WOS:000537033400001 |
出版者 | SCIENCE PRESS |
资助机构 | National Key Research and Development Program of China ; National Natural Science Foundation of China ; Shenzhen Basic Research Projects ; Guangdong Innovative and Entrepreneurial Research Team Program ; Bureau of Industry and Information Technology of Shenzhen ; Graphene Manufacturing Innovation Center Project ; China Postdoctoral Science Foundation |
源URL | [http://ir.imr.ac.cn/handle/321006/138998] ![]() |
专题 | 金属研究所_中国科学院金属研究所 |
通讯作者 | Zou, XiaoLong |
作者单位 | 1.Tsinghua Univ, Shenzhen Geim Graphene Ctr SGC, Tsinghua Berkeley Shenzhen Inst TBSI, Shenzhen 518055, Peoples R China 2.Tsinghua Univ, Tsinghua Shenzhen Int Grad Sch TSIGS, Shenzhen 518055, Peoples R China 3.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Peoples R China |
推荐引用方式 GB/T 7714 | Zhang, ShuQing,Zou, XiaoLong,Cheng, HuiMing. Mechanical-electro-magnetic coupling in strained bilayer CrI3[J]. SCIENCE CHINA-TECHNOLOGICAL SCIENCES,2020,63(7):7. |
APA | Zhang, ShuQing,Zou, XiaoLong,&Cheng, HuiMing.(2020).Mechanical-electro-magnetic coupling in strained bilayer CrI3.SCIENCE CHINA-TECHNOLOGICAL SCIENCES,63(7),7. |
MLA | Zhang, ShuQing,et al."Mechanical-electro-magnetic coupling in strained bilayer CrI3".SCIENCE CHINA-TECHNOLOGICAL SCIENCES 63.7(2020):7. |
入库方式: OAI收割
来源:金属研究所
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