The team put graphite (another super-hard material ... The resulting diamond has a hexagonal lattice crystal structure, rather than the normal cubic structure. Hexagonal diamond (or lonsdaleite ...

By subjecting graphite to extreme pressure and ... feature of this diamond is its hexagonal crystal lattice, distinct from the usual cubic structure seen in natural diamonds.

It has a giant lattice structure with strong electrostatic forces ... have many atoms joined together by covalent bonds. Diamond, graphite and graphene are forms of carbon with different giant ...

The stable form of carbon at room temperature is Graphite which has a hexagonal crystal ... (Lower diagram) The diamond cubic structure is a face-centered-cubic lattice with a basis of two carbon ...

and lattice structure. Both type and diameter are important. The wider the diameter of the nanotube, the more it behaves like graphite. The narrower the diameter of the nanotube, the more its ...