Alternating stacks of an insulator monolayer and a metallic monolayer with C3 symmetry and three mirror planes can host triple points, nexus points, and tangle nodal lines, demonstrated with HBN and boron sheets.
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Design triple points, nexus points and related topological phases by stacking monolayers
Alternating stacks of an insulator monolayer and a metallic monolayer with C3 symmetry and three mirror planes can host triple points, nexus points, and tangle nodal lines, demonstrated with HBN and boron sheets.