Al13Os4 is a bulk weak-coupling superconductor at 5.47 K and is predicted by DFT to be a Z2 nontrivial topological metal with saddle-point van Hove singularities near the Fermi level.
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Observation of superconductivity in a nontrivial $\mathcal{Z}_2$ approximant quasicrystal
Al13Os4 is a bulk weak-coupling superconductor at 5.47 K and is predicted by DFT to be a Z2 nontrivial topological metal with saddle-point van Hove singularities near the Fermi level.