Robust linear magnetoresistance in WTe2

Abstract

Unsaturated magnetoresistance (MR) has been reported in WTe2, and remains irrepressible up to very high field. Intense optimization of the crystalline quality causes a squarely-increasing MR, as interpreted by perfect compensation of opposite carriers. Herein we report our observation of linear MR (LMR) in WTe2 crystals, the onset of which is first identified by constructing the mobility spectra of the MR at low fields. The LMR further intensifies and predominates at fields higher than 20 Tesla while the parabolic MR gradually decays. The LMR remains unsaturated up to a high field of 60 Tesla and persists, even at a high pressure of 6.2 GPa. Assisted by density functional theory calculations and detailed mobility spectra, we find the LMR to be robust against the applications of high field, broken carrier balance, and mobility suppression. Angle-resolved photoemission spectroscopy reveals a unique quasilinear energy dispersion near the Fermi level. Our results suggest that the robust LMR is the low bound of the unsaturated MR in WTe2.

References in corpus (21)

• Discovery of a Weyl Fermion Semimetal and Topological Fermi Arcs
• Type-II Weyl Semimetals
• Titanic Magnetoresistance in WTe2
• Extremely large magnetoresistance and ultrahigh mobility in the topological Weyl semimetal NbP
• Pressure-driven dome-shaped superconductivity and electronic structural evolution in tungsten ditelluride
• Linear magnetoresistance caused by mobility fluctuations in the n-doped Cd3As2
• Superconductivity emerging from suppressed large magnetoresistant state in WTe2
• Electronic structure basis for the titanic magnetoresistance in WTe${}_2$
• Quantum oscillations, thermoelectric coefficients and the Fermi surface of semi-metallic WTe2
• Signature of strong spin-orbital coupling in the large non-saturating magnetoresistance material WTe2
• Anisotropic Magnetotransport and Exotic Longitudinal Linear Magnetoresistance in WTe2 Crystals
• Tantalum Monoarsenide: an Exotic Compensated Semimetal
• Electron scattering in tantalum monoarsenide
• Electron and hole Dirac cone states in-pairs in Ba(FeAs)${}_2$ confirmed by magnetoresistance
• Measuring Chern numbers above the Fermi level in the Type II Weyl semimetal Mo${}_x$W${}_{1-x}$Te${}_2$
• Anomalous conductivity tensor in the Dirac semimetal Na_3Bi
• Linear magnetoresistance in metals: guiding center diffusion in a smooth random potential
• Perfect charge compensation in WTe2 for the extraordinary magnetoresistance: From bulk to monolayer
• Electric Transport of a Single Crystal Iron Chalcogenide FeSe Superconductor: Evidence of Symmetry Breakdown Nematicity and Additional Ultrafast Dirac cone-Like Carriers
• Unoccupied electronic structure and signatures of topological Fermi arcs in the Weyl semimetal candidate Mo${}_x$W${}_{1-x}$Te${}_2$
• Mobility spectrum analytical approach for intrinsic band picture of Ba(FeAs)${}_2$

Cited by in corpus (17)

• Spectroscopic Evidence of Type II Weyl Semimetal State in WTe2
• Proximity-Induced Superconductivity with Subgap Anomaly in Type II Weyl Semi-Metal WTe2
• Direct evidence for charge compensation induced large magnetoresistance in thin WTe2
• Quantum Oscillations of The Positive Longitudinal Magnetoconductivity: a Fingerprint for Identifying Weyl Semimetals
• Quantum-oscillation-modulated angular dependences of the positive longitudinal magnetoconductivity and planar Hall effect in Weyl semimetals
• Large and Robust Charge-to-Spin Conversion in Sputtered Conductive WTex with Disorder
• Broken mirror symmetry tuned topological transport in PbTe/SnTe heterostructures
• Multi-Band Superconductivity in Strongly Hybridized 1T'-WTe${}_2$/NbSe${}_2$ Heterostructures
• The study on quantum material WTe2
• Non-stoichiometry effects on the extreme magnetoresistance in Weyl semimetal WTe2
• Large Magnetoresistance in Topological Insulator Candidate TaSe3
• Variation of carrier density in semimetals via short-range correlation: A case study with nickelate NdNiO${}_2$
• Electronic Transport in a Topological Semimetal WTe2 Single Crystal
• Optical conductivity of the type-II Weyl semimetal WTe${}_2$ under pressure
• Pseudo-hydrodynamic flow of quasiparticles in semimetal WTe2 at room temperature
• Single crystalline orthorhombic GdAlGe as a rare earth magnetic Dirac nodal-line metal
• Singular nonlinear response in metals due to divergent Berry curvature: application to magneto-resistance in metals with type-II Weyl nodes