Bulk and surface electronic structure of NiBi3

被引：2

作者：

Adriano, Cris ^{[1
,2
]}

Lee, Kyungchan ^{[2
,3
,4
]}

Kushnirenko, Yevhen ^{[2
]}

Schrunk, Benjamin ^{[3
]}

Pakuszewski, Kevin R. ^{[1
]}

Wang, Lin -Lin ^{[3
]}

Bud'ko, Sergey L. ^{[2
,3
]}

Canfield, Paul C. ^{[2
,3
]}

Kaminski, Adam ^{[2
,3
]}

机构：

[1] Univ Estadual Campinas, Inst Fis Gleb Wataghin, UNICAMP, BR-13083859 Campinas, SP, Brazil

[2] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA

[3] Iowa State Univ, Ames Lab, Ames, IA 50011 USA

[4] Julius Maximilians Univ, Phys Inst, D-97074 Wurzburg, Germany

来源：

PHYSICAL REVIEW B | 2023年 / 107卷 / 16期

基金：

巴西圣保罗研究基金会;

关键词：

TOTAL-ENERGY CALCULATIONS; BI; SCHEMES; GROWTH;

D O I：

10.1103/PhysRevB.107.165107

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We present a high-resolution, angle-resolved photoemission spectroscopy study of the normal electronic state of the superconducting NiBi3. Our experimental results show a complex Fermi surface structure with many sheets along the P -X and P -Y directions of the Brillouin zone. The band structure presents a topological surface state (TSS) at the high symmetry I' point with a surface Dirac point at the energy -0.185 eV. The Dirac-like cone presents a linear dispersion along kx while it presents saddle-like states along ky located in the vicinity of the surface Dirac point. Our results are in good agreement with results of density functional theory band structure calculations. We also discuss the topological band structure of the NiBi3 compound.

引用

页数：7

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