文献详情
Strong-coupling superconductivity in LiB2C2 trilayer films
文献类型：期刊
通讯作者：Gao, M (reprint author), Ningbo Univ, Sch Phys Sci & Technol, Dept Microelect Sci & Engn, Ningbo 315211, Zhejiang, Peoples R China.; Gao, M (reprint author), Ningbo Univ, Lab Clean Energy Storage & Convers, Ningbo 315211, Zhejiang, Peoples R China.
期刊名称：PHYSICAL REVIEW B影响因子和分区
年：2020
卷：101
期：9
ISSN：2469-9950
所属部门：物理学系
摘要：Coupling between sigma-bonding electrons and phonons is generally very strong. To metallize sigma electrons provides a promising route to hunt for new high-T-c superconductors. Based on this picture and first-principles density functional calculation with Wannier interpolation for electronic structure and lattice dynamics, we predict that trilayer film LiB2C2 is a good candidate to realize this kind of high-T-c superconductivity. By solving the anisotropic Eliashberg equations, we find that free ...More
Coupling between sigma-bonding electrons and phonons is generally very strong. To metallize sigma electrons provides a promising route to hunt for new high-T-c superconductors. Based on this picture and first-principles density functional calculation with Wannier interpolation for electronic structure and lattice dynamics, we predict that trilayer film LiB2C2 is a good candidate to realize this kind of high-T-c superconductivity. By solving the anisotropic Eliashberg equations, we find that free-standing trilayer LiB2C2 is a phonon-mediated superconductor with T-c exceeding the liquid-nitrogen temperature at ambient pressure. The transition temperature can be further raised to 125 K by applying a biaxial tensile strain. ...Hide

DOI：10.1103/PhysRevB.101.094501
百度学术：Strong-coupling superconductivity in LiB2C2 trilayer films
语言：外文
人气指数：1
浏览次数：1
基金：National Key R&D Program of China [2017YFA0302900]; National Natural Science Foundation of ChinaNational Natural Science Foundation of China [11888101, 11774422, 11974194, 11974207]; Zhejiang Provincial Natural Science Foundation of ChinaNatural Science Foundation of Zhejiang Province [LY17A040005]; K. C. Wong Magna Fund in Ningbo University
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