Random in-plane translational stacking faults in the van der Waals superlattice Ba6Nb11Se28
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The Ba6M11X28 (M = Nb, Ta; X = S, Se) family of natural van der Waals superlattices hosts highly anisotropic superconductivity and exotic two-dimensional electronic behavior. However, the actual stacking sequences of these superconducting superlattices, crucia... ...