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晶态碳氮膜美国西北大学的科学家宣布说：“他们已经获得了一种新的超硬材料，其硬度仅次于金刚石．这种新材料完全是晶态的化合物薄膜，含有仅纳米级厚度的碳氮层．理论表明，碳氮晶体可能具有相当于或者超过金刚石的硬度，而金刚石是人类至今所知的最硬的材料．自理论预...
Crystalline Carbon Nitride Film Scientists at Northwestern University announced: "They have acquired a new superhard material, second in hardness to diamond, a completely crystalline compound film containing only nano-scale thicknesses The theory shows that carbonitrides may have the hardness equivalent to or exceed that of diamond, and diamond is the hardest material known to man so far.