globalchange  > 气候变化与战略
DOI: 10.1016/j.scib.2020.07.006
论文题名:
Monolayer NbF4: a 4d1-analogue of cuprates
作者: Yang Y.; Wang W.-S.; Ting C.-S.; Wang Q.-H.
刊名: Science Bulletin
ISSN: 20959273
出版年: 2020
卷: 65, 期:22
起始页码: 1901
结束页码: 1906
语种: 英语
中文关键词: Cuprates ; d-wave pairing ; Electronic structure calculations ; Two-dimensional superconductors
英文关键词: Copper compounds ; Density functional theory ; Electronic structure ; Monolayers ; Niobium compounds ; Statistical mechanics ; Antiferromagnetic insulators ; Cuprates ; Functional renormalization group ; High-Tc superconductivity ; Undoped systems ; Fluorine compounds
英文摘要: The electronic structure and possible electronic orders in monolayer NbF4 are investigated by density functional theory and functional renormalization group. Because of the niobium-centered octahedra, the energy band near the Fermi level is found to derive from the 4dxy orbital, well separated from the other bands. Local Coulomb interaction drives the undoped system into an antiferromagnetic insulator. Upon suitable electron/hole doping, the system is found to develop dx2-y2-wave superconductivity with sizable transition temperature. Therefore, the monolayer NbF4 may be an exciting 4d1 analogue of cuprates, providing a new two-dimensional platform for high-Tc superconductivity. © 2020 Science China Press
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/170117
Appears in Collections:气候变化与战略

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作者单位: Texas Center for Superconductivity and Department of Physics, University of Houston, Houston, TX77204, United States; College of Physics and Electronic Engineering, Zhengzhou University of Light Industry, Zhengzhou, 450002, China; Department of Physics, Ningbo University, Ningbo, 315211, China; National Laboratory of Solid State Microstructures & School of Physics, Nanjing University, Nanjing, 210093, China; Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, 210093, China

Recommended Citation:
Yang Y.,Wang W.-S.,Ting C.-S.,et al. Monolayer NbF4: a 4d1-analogue of cuprates[J]. Science Bulletin,2020-01-01,65(22)
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