Concurrence of anomalous Hall effect and charge density wave in a superconducting topological kagome metal
arXiv:2102.10987 · doi:10.1103/PhysRevB.104.L041103
Abstract
As one of the most fundamental physical phenomena, the anomalous Hall effect (AHE) typically occurs in ferromagnetic materials but is not expected in the conventional superconductors. Here, we have observed a giant AHE in kagome superconductor CsV3Sb5 with transition temperature (Tc) of 2.7 K. The anomalous Hall conductivity reaches up to 2.1*10^4 Ω-1 cm-1 which is larger than those observed in most of the ferromagnetic metals. Strikingly, the emergence of AHE exactly follows the higher-temperature charge-density-wave (CDW) transition with TCDW ~ 94 K, indicating a strong correlation between the CDW state and AHE. Furthermore, AHE disappears when the CDW transition is completely suppressed at high pressure. The origin for AHE is attributed to enhanced skew scattering in CDW state and large Berry curvature arose from the kagome lattice. These discoveries make CsV3Sb5 as an ideal platform to study the interplay among nontrivial band topology, CDW and unconventional superconductivity.
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Cited by in corpus (224)
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- Charge density waves and electronic properties of superconducting kagome metals
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- Multiple Energy Scales and Anisotropic Energy Gap in the Charge-Density-Wave Phase of Kagome Superconductor CsV3Sb5
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- Coexistence of Multiple Stacking Charge Density Waves in Kagome Superconductor
- Unconventional charge density wave and photoinduced lattice symmetry change in Kagome Metal CsVSb probed by time-resolved spectroscopy
- Manipulation of Jeff=3/2 states by tuning the tetragonal distortion
- Tuning the competition between superconductivity and charge order in kagome superconductor Cs(V1-xNbx)3Sb5
- No observation of chiral flux current in the topological kagome metal CsVSb
- Observation of Flat Band, Dirac Nodal Lines and Topological Surface States in Kagome Superconductor CsTiBi
- Anomalous thermoelectric effects and quantum oscillations in the kagome metal CsVSb
- Geometry of the charge density wave in kagom metal AVSb
- Revealing the immediate formation of two-fold rotation symmetry in charge-density-wave state of Kagome superconductor CsVSb by optical polarization rotation measurement
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- Nodeless superconductivity in kagome metal CsVSb with and without time reversal symmetry breaking
- A new class of bilayer kagome lattice compounds with Dirac nodal lines and pressure-induced superconductivity
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- Pressure-induced dimensional crossover in a kagome superconductor
- Role of Sb in the superconducting kagome metal CsVSb revealed by its anisotropic compression
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- Quantum Interactions in Topological R166 Kagome Magnet
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- Superconductivity from repulsive interactions on the kagome lattice
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- Charge-4e and charge-6e flux quantization and higher charge superconductivity in kagome superconductor ring devices
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- Large kagome family candidates with topological superconductivity and charge density waves
- Electrically controlled superconductor-insulator transition and giant anomalous Hall effect in kagome metal CsV3Sb5 nanoflakes
- First-principles study on the double-dome superconductivities in kagome material CsVSb under pressure
- Crucial role of out-of-plane Sb- orbitals in Van Hove singularity formation and electronic correlation for superconducting Kagome metal CsVSb
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- Monolayer Kagome Metals AVSb
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- Drastic magnetic-field-induced chiral current order and emergent current-bond-field interplay in kagome metals
- Universal sublinear resistivity in vanadium kagome materials hosting charge density waves
- Structures and physical properties of V-based kagome metals CsVSb and CsVSb
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- Electronic properties and phase transition in Kagome metal, Yb0.5Co3Ge3
- Superconductivity modulated by structural phase transitions in pressurized vanadium-based kagome metals
- Dirac Nodal Lines and Nodal Loops in a Topological Kagome Superconductor CsVSb
- 3D Fermi surfaces from charge order in layered CsVSb
- Structural instability and charge modulations in the Kagome superconductor VSb
- Anomalous Hall effect and two-dimensional Fermi surfaces in the charge-density-wave state of kagome metal RbVSb
- Distinct band reconstructions in kagome superconductor CsVSb
- Metal-insulator transition and intermediate phases in the kagome lattice Hubbard model
- Charge density wave and superconductivity in the kagome metal CsVSb around a pressure-induced quantum critical point
- The structure of kagome superconductors CsVSb in the charge density wave states
- Higher-order Oscillatory Planar Hall Effect in Topological Kagome Metal
- Charge order above room-temperature in a prototypical kagome superconductor La(RuFe)Si
- Effects of Nb Doping on the Charge-Density Wave and Electronic Correlations in the Kagome Metal Cs(VNb)Sb
- Electrical and thermal transport properties of kagome metals TiBi ( = Rb, Cs)
- Absence of nematic instability and dominant response in the kagome metal CsVSb
- Emergent superconducting fluctuations in a compressed kagome superconductor
- Superconductivity arising from pressure induced Lifshitz transition in RbPdSe with kagome lattice
- Direct Observation of Collective Modes of the Charge Density Wave in the Kagome Metal CsVSb
- Electronic Correlations and Evolution of the Charge-Density Wave in the Kagome Metals VSb ( = K, Rb, Cs)
- Strong-coupling superconductivity and weak vortex pinning in Ta-doped CsVSb single crystals
- Tri-Hexagonal charge order in kagome metal CsVSb revealed by Sb NQR
- Doping evolution of superconductivity, charge order and band topology in hole-doped topological kagome superconductors Cs(VTi)Sb
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- Nematic Ising superconductivity with hidden magnetism in few-layer 6R-TaS2
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- Tuning the Intrinsic Spin Hall Effect by Charge Density Wave Order in Topological Kagome Metals
- The de Haas-van Alphen quantum oscillations in the kagome metal RbTi3Bi5
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- Photoemission Insights to Electronic Orders in Kagome Superconductor AV3Sb5
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- Discovery of a new phase in thin flakes of KVSb under pressure
- Large Oscillatory Thermal Hall Effect in Kagome Metals
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- Local pairing versus bulk superconductivity intertwined by the charge density wave order in Cs(VTa)Sb
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- Charge-density wave fluctuation driven composite order in the layered Kagome Metals
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- Titanium doped kagome superconductor CsV3-xTixSb5 and two distinct phases
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- Type-II Dirac Nodal Lines in double-kagome-layered CsVSb
- Origin of switchable quasiparticle-interference chirality in loop-current phase of kagome metals measured by scanning-tunneling-microscopy
- Constraints on the orbital flux phase in VSb from polar Kerr effect
- Quantum Griffiths singularity in a three-dimensional superconductor to Anderson critical insulator transition
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- Unconventional spin transport in strongly correlated kagome systems
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- Loop-current order through the kagome looking glass
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- Orbital current signature using neutron diffraction
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- Kohn-Luttinger-like mechanism for unconventional charge density waves
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- Majorana Braiding Racetracks from Charge Chern Insulator - Superconductor Hybrids
- The possible frustrated superconductivity in the kagome superconductors
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- Inter-Layer Correlation of Loop Current Charge Density Wave on the Bilayer Kagomé Lattice
- Diverse electronic topography in a distorted kagome metal LaTi3Bi4
- New mechanisms to engineer magnetic skyrmions and topological superconductors
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