Charge density wave in kagome lattice intermetallic ScV6Sn6

Abstract

Materials hosting kagome lattices have drawn interest for the diverse magnetic and electronic states generated by geometric frustration. In the $A$V${}_3$Sb${}_5$ compounds ($A$ = K, Rb, Cs), stacked vanadium kagome layers give rise to unusual charge density waves (CDW) and superconductivity. Here we report single-crystal growth and characterization of ScV${}_6$Sn${}_6$, a hexagonal HfFe${}_6$Ge${}_6$-type compound that shares this structural motif. We identify a first-order phase transition at 92 K. Single crystal X-ray and neutron diffraction reveal a charge density wave modulation of the atomic lattice below this temperature. This is a distinctly different structural mode than that observed in the $A$V${}_3$Sb${}_5$ compounds, but both modes have been anticipated in kagome metals. The diverse HfFe${}_6$Ge${}_6$ family offers more opportunities to tune ScV${}_6$Sn${}_6$ and explore density wave order in kagome lattice materials.

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Cited by in corpus (93)

• Quantum states and intertwining phases in kagome materials
• AV${}_3$Sb${}_5$ Kagome Superconductors: Progress and Future Directions
• Softening of a flat phonon mode in the kagome ScV${}_6$Sn${}_6$
• Topological Quantum Materials with Kagome Lattice
• Competing charge-density wave instabilities in the kagome metal ScV${}_6$Sn${}_6$
• Abundant lattice instability in kagome metal ScV${}_6$Sn${}_6$
• Optical spectroscopy and band structure calculations of structural phase transition in the Vanadium-based kagome metal ScV${}_6$Sn${}_6$
• Flat band separation and robust spin-Berry curvature in bilayer kagome metals
• Phonon promoted charge density wave in topological kagome metal ScV${}_6$Sn${}_6$
• Charge-loop current order and Z3 nematicity mediated by bond-order fluctuations in kagome metal AV3Sb5 (A=Cs,Rb,K)
• Quantum Interactions in Topological R166 Kagome Magnet
• Theory of nematic charge orders in kagome metals
• Evolution of highly anisotropic magnetism in the titanium-based kagome metals LnTi${}_3$Bi${}_4$ (Ln: La...Gd${}^{3+}$, Eu${}^{2+}$, Yb${}^{2+}$)
• Annealing-tunable charge density wave in the kagome antiferromagnet FeGe
• Nanoscale visualization and spectral fingerprints of the charge order in ScV6Sn6 distinct from other kagome metals
• Frustrated charge order and cooperative distortions in ScV6Sn6
• Tiny Sc allows the chains to rattle: Impact of Lu and Y doping on the charge density wave in ScV${}_6$Sn${}_6$
• Quantum oscillations revealing topological band in kagome metal ScV6Sn6
• Dynamics and Resilience of the Charge Density Wave in a bilayer kagome metal
• Triangular Kondo lattice in $\mathrm{Yb}{\mathrm{V}}_6\mathrm{S}{\mathrm{n}}_6$ and its quantum critical behaviors in magnetic field
• Drastic magnetic-field-induced chiral current order and emergent current-bond-field interplay in kagome metals
• Tunable magnetism and electron correlation in Titanium-based Kagome metals RETi3Bi4 (RE = Yb, Pr, and Nd) by rare-earth engineering
• Pseudogap behavior in charge density wave kagome material ScV${}_6$Sn${}_6$ revealed by magnetotransport measurements
• Universal sublinear resistivity in vanadium kagome materials hosting charge density waves
• Origin and stability of the charge density wave in ScV${}_6$Sn${}_6$
• Stability frontiers in the AM${}_6$X${}_6$ kagome metals: The LnNb${}_6$Sn${}_6$ (Ln:Ce-Lu,Y) family and density-wave transition in LuNb${}_6$Sn${}_6$
• Van-Hove annihilation and nematic instability on a Kagome lattice
• Anisotropic magnetism and band evolution induced by ferromagnetic phase transition in titanium-based kagome ferromagnet SmTi3Bi4
• Charge order above room-temperature in a prototypical kagome superconductor La(Ru${}_{1-x}$Fe${}_x$)${}_3$Si${}_2$
• Absence of $E_{2g}$ nematic instability and dominant $A_{1g}$ response in the kagome metal CsV${}_3$Sb${}_5$
• Colossal orbital Zeeman effect driven by tunable spin-Berry curvature in a kagome metal
• YbV${}_3$Sb${}_4$ and EuV${}_3$Sb${}_4$, vanadium-based kagome metals with Yb${}^{2+}$ and Eu${}^{2+}$ zig-zag chains
• Spin density wave and van Hove singularity in the kagome metal CeTi3Bi4
• FeGe as a building block for the kagome 1:1, 1:6:6, and 1:3:5 families: hidden d-orbital decoupling of flat band sectors, effective models and interaction Hamiltonians
• Magnetic-coupled electronic landscape in bilayer-distorted titanium-based kagome metals
• Quantum oscillations in kagome metals (Ti, Zr, Hf)V6Sn6 at Van Hove filling
• Kagome metals
• Kagome Materials I: SG 191, ScV${}_6$Sn${}_6$. Flat Phonon Soft Modes and Unconventional CDW Formation: Microscopic and Effective Theory
• Intricate magnetic landscape in antiferromagnetic kagome metal TbTi${}_3$Bi${}_4$ and interplay with Ln${}_{2-x}$Ti${}_{6+x}$Bi${}_9$ (Ln: Tb-Lu) shurikagome metals
• Persistent flat band splitting and strong selective band renormalization in a kagome magnet thin film
• Low-Energy Electronic Structure in the Unconventional Charge-Ordered State of ScV${}_6$Sn${}_6$
• Electronic band structures of topological kagome materials
• Anisotropic transport properties and topological Hall effect in the annealed kagome antiferromagnet FeGe
• Instability of the charge density wave in Kagome magnet FeGe
• Order-by-disorder charge density wave condensation at $\text{q}=(\frac{1}{3},\frac{1}{3},\frac{1}{3})$ in kagome metal ScV${}_6$Sn${}_6$
• Frustrated charge density wave and quasi-long-range bond-orientational order in the magnetic kagome FeGe
• Origin of anomalous magnetotransport in kagome superconductors AV${}_3$Sb${}_5$ (A=K,Rb,Cs)
• Ground-state magnetic structures of topological kagome metals RV${}_6$Sn${}_6$ (R = Tb, Dy, Ho, Er)
• Quantum Oscillations Evidence for Topological Bands in Kagome Metal ScV6Sn6
• Intriguing kagome topological materials
• Frustrated Ising charge correlations in the kagome metal ScV${}_6$Sn${}_6$
• Kagome KMn${}_3$Sb${}_5$ metal: Magnetism, lattice dynamics, and anomalous Hall conductivity
• Three-dimensional higher-order saddle points induced flat bands in Co-based kagome metals
• Kagome surface states and weak electronic correlation in vanadium-kagome metals
• Quantum-metric-induced giant and reversible nonreciprocal transport phenomena in chiral loop-current phases of kagome metals
• Coexistence of Dirac fermion and charge density wave in square-net-based semimetal LaAuSb2
• Coherent phonon and unconventional carriers in the magnetic kagome metal Fe${}_3$Sn${}_2$
• Origin of competing charge density waves in kagome metal ScV${}_6$Sn${}_6$
• Orbital selective commensurate modulations of the local density of states in ScV6Sn6 probed by nuclear spins
• High-order van Hove singularities and nematic instability in the kagome superconductor CsTi${}_3$Bi${}_5$
• Truly local topological dynamics of driven defects in Chern insulator
• Lattice dynamics study of electron-correlation-induced charge density wave in antiferromagnetic kagome metal FeGe
• Tuning the Intrinsic Spin Hall Effect by Charge Density Wave Order in Topological Kagome Metals
• Encoding innumerable charge density waves of FeGe into polymorphs of LiFe6Ge6
• Kagome Metal GdNb${}_6$Sn${}_6$: A 4d Playground for Topological Magnetism and Electron Correlations
• Discovery of an Intermediate Nematic State in a Bilayer Kagome Metal ScV6Sn6
• Competing Lattice Instability and Magnetism on the Surface of Kagome Metals
• Magnetic order and physical properties of the Kagome metal UNb${}_6$Sn${}_6$
• Correlation stabilized ferromagnetic MnRuAs with distorted kagome lattice
• Successive orthorhombic distortions in kagome metals by molecular orbital formation
• Incommensurate and commensurate antiferromagnetic orders in the kagome compound UV${}_6$Sn${}_6$
• Stacking-Dependent Van Hove Singularity Shifts in Three-Dimensional Charge Density Waves of Kagome Metals AV${}_3$Sb${}_5$ (A = K, Rb, Cs)
• Topological Aspects of Dirac Fermions in a Kagomé Lattice
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• Observation of unexpected band splitting and magnetically-induced band structure reconstruction in TbTi${}_3$Bi${}_4$
• Weak low-temperature ferromagnetism and linear magnetoresistance in Lu${}_{0.75}$Fe${}_6$Sn${}_6$ with a disordered HfFe${}_6$Ge${}_6$-type structure
• Anomalous Nernst Effect and Its Implications for Time-Reversal Symmetry Breaking in Kagome Metal ScV6Sn6
• Interacting spin and charge density waves in kagome metal FeGe
• Origin of the charge density wave state in BaFe${}_2$Al${}_9$
• Beyond kagome: $p$-bands in kagome metals
• Altermagnetism in an interacting model of Kagome materials
• Noncollinear antiferromagnetic structure and physical properties of CrRhAs with distorted kagome lattice
• Magnetism of kagome metals $\left({\text{Fe}}_{1-x}{\text{Co}}_x\right)\text{Sn}$ studied by $\mu$SR
• Kekulé order from diffuse nesting near higher-order Van Hove points
• Nature of quantum criticality in the Ising ferromagnet TbV${}_6$Sn${}_6$
• Tunable topological phase in 2D ScV${}_6$Sn${}_6$ kagome material
• Non-Abelian line graph: A generalized approach to flat bands
• Single crystal growth, structural and physical properties, and absence of a charge density wave in Ti_{0.85}Fe6Ge6
• Electronic and structural properties of Rh- and Pd-based kagome layered shandites from first principles
• Evolution from Topological Dirac Metal to Flat-band-Induced Antiferromagnet in Layered KxNi4S2 (0<=x<=1)
• Structural modulation, physical properties, and electronic band structure of the kagome metal UCr${}_6$Ge${}_6$
• Synergistic doping and stabilization of magnetically tunable LnTi${}_3$(Sb,Sn)${}_4$ (Ln:Ce--Gd) kagome metals
• Revealing magnetism in the distorted kagome $R$Ti${}_3$Bi${}_4$ ($R$ = Nd, Sm, Gd) via ARPES and XMCD