Scientists make new materials very hard

Recently, the Carnegie Institute of the United States and the University of Nebraska-Lincoln scientists have collaborated to create a new form of carbon that mixes both crystalline and non-crystalline structures. It is an orderly and disorderly arrangement. "It is called "chaotic" crystal. This material is very hard and can leave dents in the diamond. This discovery has a wide range of applications in mechanical mechanics, electronics, and electrical chemistry.

The study was led by Wang Lin of the Carnegie Institution. They added an organic (C8H10) solvent to the Bucky Ball (C-60), allowed it to dissolve and applied high pressure, and observed what would happen under different pressures. Under relatively low pressure conditions, C-60 can also maintain the shape of the cage. As the pressure increases, the cage structure begins to break into amorphous clusters of carbon atoms. However, these amorphous carbon clusters remain in their original positions, forming a lattice structure. The researchers call it "ordered amorphous carbon clusters."

The pressure range for forming this structure is very narrow. Below 300,000 atmospheres, the resulting new structure will return to its original shape after eliminating pressure. After reaching 320,000 atmospheres, the new structure will be stable and will not recover after eliminating pressure.

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