SbTlO3 is a non-van der Waals 2D topological insulator with 229 meV SOC splitting and band inversion, verified by topological invariants and edge states; Pb substitution places the feature at the Fermi level.
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Towards Non-van der Waals 2D Topological Insulators
SbTlO3 is a non-van der Waals 2D topological insulator with 229 meV SOC splitting and band inversion, verified by topological invariants and edge states; Pb substitution places the feature at the Fermi level.