Back to Search
Start Over
Quantum oscillations and weak anisotropic resistivity in the chiral Fermion semimetal PdGa
- Source :
- Phys. Rev. B 106, 205120 (2022)
- Publication Year :
- 2022
-
Abstract
- We perform a detailed analysis of the magnetotransport and de Haas-van Alphen (dHvA) oscillations in crystal PdGa which is predicted to be a typical chiral Fermion semimetal from CoSi family holding a large Chern number. The unsaturated quadratic magnetoresistance (MR) and nonlinear Hall resistivity indicate that PdGa is a multi-band system without electron-hole compensation. Angle-dependent resistivity in PdGa shows weak anisotropy with twofold or threefold symmetry when the magnetic field rotates within the (1$\bar{1}$0) or (111) plane perpendicular to the current. Nine or three frequencies are extracted after the fast Fourier-transform analysis (FFT) of the dHvA oscillations with B//[001] or B//[011], respectively, which is confirmed to be consistent with the Fermi surfaces (FSs) obtained from first-principles calculations with spin-orbit coupling (SOC) considered.<br />Comment: 8 pages, 7 figures
- Subjects :
- Condensed Matter - Materials Science
Subjects
Details
- Database :
- arXiv
- Journal :
- Phys. Rev. B 106, 205120 (2022)
- Publication Type :
- Report
- Accession number :
- edsarx.2203.12772
- Document Type :
- Working Paper
- Full Text :
- https://doi.org/10.1103/PhysRevB.106.205120