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defect engineering 1magnetic materials 1spectroscopy 1surface states 1topological insulators 1

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cond-mat.mes-hall2026

Defect-induced displacement of topological surface state in quantum magnet MnBiTe

Felix Lüpke, Marek Kolmer, Hengxin Tan +6

The study shows that antisite defects in the magnetic topological material MnBi₂Te₄ push its topological surface state deeper into the crystal, reducing the surface gap, as demonst…