The researchers believe that grain boundaries in 2D materials can be a lot more sensitive to processing than in 3D materials.
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Researchers from Columbia University have shown that graphene, even if stitched together from many small crystalline grains, is the strongest material in the world. This experiment brings to a successful conclusion that contradiction between theoretical models, which predicted that grain boundaries can be very strong, and earlier experiments, which suggested that they were a lot weaker than the perfect lattice.
According to CNN, graphene is a one-atom thick layer of carbon atoms arranged in a honeycomb lattice. This arrangement gives graphene unique properties. For instance, electrical currents in graphene travel faster than in any other material known to man.