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Kagome materials often host exotic quantum phases, including spin liquids,Chern gap, charge order, and superconductivity. Existing scanning microscopystudies of the kagome charge order have been limited to non-kagome surfacelayers. Here we tunnel into the kagome lattice of FeGe to uncover features ofthe charge order. Our spectroscopic imaging identifes a 2x2 charge order in themagnetic kagome lattice, resembling that discovered in kagome superconductors.Spin-mapping across steps of unit-cell-height demonstrates that this chargeorder emerges from spin-polarized electrons with an antiferromagnetic stackingorder. We further uncover the correlation between antiferromagnetism and chargeorder anisotropy, highlighting the unusual magnetic coupling of the chargeorder. Finally, we detect a pronounced edge state within the charge orderenergy gap, which is robust against the irregular shape of the kagome latticeedges. We discuss our results with the theoretically considered topologicalfeatures of the kagome charge order including orbital magnetism andbulk-boundary correspondence.

Discovery of charge order and corresponding edge state in kagome magnet FeGe