Quantum oscillations and the Fermi surface topology of the Weyl semimetal NbP

被引：67

作者：

Klotz, J. ^{[1
,2
]}

Wu, Shu-Chun ^{[3
]}

Shekhar, Chandra ^{[3
]}

Sun, Yan ^{[3
]}

Schmidt, Marcus ^{[3
]}

Nicklas, Michael ^{[3
]}

Baenitz, Michael ^{[3
]}

Uhlarz, M. ^{[1
]}

Wosnitza, J. ^{[1
,2
]}

Felser, Claudia ^{[3
]}

Yan, Binghai ^{[3
,4
,5
]}

机构：

[1] Helmholtz Zentrum Dresden Rossendorf, Hochfeld Magnetlabor Dresden HLD EMFL, D-01328 Dresden, Germany

[2] Tech Univ Dresden, Inst Festkorperphys, D-01069 Dresden, Germany

[3] Max Planck Inst Chem Phys Solids, D-01187 Dresden, Germany

[4] ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai 200031, Peoples R China

[5] Max Planck Inst Phys Komplexer Syst, D-01187 Dresden, Germany

来源：

PHYSICAL REVIEW B | 2016年 / 93卷 / 12期

关键词：

ARCS; TAAS; MAGNETORESISTANCE; DISCOVERY;

D O I：

10.1103/PhysRevB.93.121105

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The Weyl semimetal NbP was found to exhibit topological Fermi arcs and exotic magnetotransport properties. Here, we report on magnetic quantum-oscillation measurements on NbP and construct the three-dimensional Fermi surface with the help of band-structure calculations. We reveal a pair of spin-orbit-split electron pockets at the Fermi energy and a similar pair of hole pockets, all of which are strongly anisotropic. The Weyl points that are located in the k(z) approximate to pi/c plane are found to exist 5 meV above the Fermi energy. Therefore, we predict that the chiral anomaly effect can be realized in NbP by electron doping to drive the Fermi energy to the Weyl points.

引用

页数：5

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