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Kagome materials have attracted enormous research interest recently owing toits diverse topological phases and manifestation of electronic correlation dueto its inherent geometric frustration. Here, we report the electronic structureof a new distorted kagome metal NdTi3Bi4 using a combination of angle resolvedphotoemission spectroscopy (ARPES) measurements and density functional theory(DFT) calculations. We discover the presence of two at bands which are found tooriginate from the kagome structure formed by Ti atoms with major contributionfrom Ti dxy and Ti dx2-y2 orbitals. We also observed multiple van Hovesingularities (VHSs) in its electronic structure, with one VHS lying near theFermi level EF. In addition, the presence of a surface Dirac cone at the Gpoint and a linear Dirac-like state at the K point with its Dirac node lyingvery close to the EF indicates its topological nature. Our findings revealNdTi3Bi4 as a potential material to understand the interplay of topology,magnetism, and electron correlation.

Observation of multiple van Hove singularities and correlated electronic states in a new topological ferromagnetic kagome metal NdTi3Bi4