Diamonds are famous for their strength, but scientists have long suspected that another form of diamond might be even harder.
Scientists created a pure hexagonal diamond in the lab, confirming a long-debated carbon structure slightly harder than natural diamonds.
A Chinese research team has produced bulk hexagonal diamond, a crystal structure long theorized to be harder than ...
A team of researchers has reported the first laboratory synthesis and recovery of bulk hexagonal diamond, a crystal form long predicted to be harder than the conventional gems used in cutting tools ...