NIMTE OpenIR  > 2018专题
Spin Direction-Controlled Electronic Band Structure in Two-Dimensional Ferromagnetic CrI3
Jian, Peiheng; Li, Lei; Liao, Zhaoliang; Zhao, Y. X.; Zhong, Zhicheng
2018
发表期刊NANO LETTERS
卷号18期号:6页码:3844-3849
摘要Manipulating physical properties using the spin degree of freedom constitutes a major part of modern condensed matter physics and is a key aspect for spintronics devices. Using the newly discovered two-dimensional van der Waals ferromagnetic CrI3 as a prototype material, we theoretically demonstrated a giant magneto band-structure (GMB) effect whereby a change of magnetization direction significantly modifies the electronic band structure. Our density functional theory calculations and model analysis reveal that rotating the magnetic moment of CrI3 from out-of-plane to in-plane causes a direct-to-indirect bandgap transition, inducing a magnetic field controlled photoluminescence. Moreover, our results show a significant change of Fermi surface with different magnetization directions, giving rise to giant anisotropic magnetoresistance. Additionally, the spin reorientation is found to modify th e topological states. Given that a variety of properties are determined by band structures, our predicted GMB effect in CrI3 opens a new paradigm for spintronics applications.
关键词Anisotropic Magnetoresistance Intrinsic Ferromagnetism Wannier Functions Antiferromagnetism Resistivity Manganite Crystal Alloys Energy
学科领域Chemistry ; Materials Science
语种英语
文献类型期刊论文
条目标识符http://ir.nimte.ac.cn/handle/174433/17442
专题2018专题
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GB/T 7714
Jian, Peiheng,Li, Lei,Liao, Zhaoliang,et al. Spin Direction-Controlled Electronic Band Structure in Two-Dimensional Ferromagnetic CrI3[J]. NANO LETTERS,2018,18(6):3844-3849.
APA Jian, Peiheng,Li, Lei,Liao, Zhaoliang,Zhao, Y. X.,&Zhong, Zhicheng.(2018).Spin Direction-Controlled Electronic Band Structure in Two-Dimensional Ferromagnetic CrI3.NANO LETTERS,18(6),3844-3849.
MLA Jian, Peiheng,et al."Spin Direction-Controlled Electronic Band Structure in Two-Dimensional Ferromagnetic CrI3".NANO LETTERS 18.6(2018):3844-3849.
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