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Contact: David Ruth
Rice University

Molybdenum/Sulfur (1 of 2)

Caption: Two-dimensional molybdenum/sulfur is a hexagonal lattice when seen from above, but when viewed edge on, as it is here, its three-layer form is apparent. When two sheets of the material meet, three-dimensional dislocations appear at the grain boundaries. When the sheets meet at a 60-degree angle, those boundaries are metallic, and conductive.

Credit: Yakobson Group/Rice University

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