According to a report by the American physicist organization network on October 11, carbon is the fourth element in the universe. It has several allotropes. The two most common types are high hardness diamonds and soft and smooth. graphite. Now, American scientists have created a new form of carbon, and its ability to cope with extreme pressure has made diamonds "self-defeating." The breakthrough discovery will be published in the journal Physical Review Letters. The research team led by Ma Wendi of Stanford University and his graduate student Lin Yu (transliteration) and the scientists at the Carnegie Institute Geophysical Laboratory made this discovery. They made the carbon, one of the carbons, with 400,000 times atmospheric pressure, creating the new carbon allotrope. Glass carbon was first synthesized in the 1950s. It combines the qualities of glass, ceramics and graphene for a wide range of applications. Scientists have discovered that new forms of carbon can withstand 1.3 million times atmospheric pressure in one direction and 600,000 times atmospheric pressure in other directions. Nothing other than diamond can withstand such a large pressure, which shows that this new carbon allotrope is indeed very hard. However, unlike diamond and other forms of carbon crystals, this new material is a non-crystalline material, which means that its structure lacks the long-range order of the crystal. If the non-crystalline, superhard carbon allotropes have the same hardness in all directions, the potential advantage is stronger than diamond. The hardness of diamond depends mainly on the orientation of the crystal. Russell Hemley, director of the Geophysical Laboratory at the Carnegie Institution, said: "The latest discoveries will have many applications. Scientists can use it to create ultra-hard anvils and other ultra-compact, super-high-pressure research institutes. Hard new material."(
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