迄今为止,金刚石(即钻石)始终被人们视为珍宝,因为它不仅稀少,而且是最硬的天然物质,并具有完美的化学和光学性能。而具有一系列有趣物理性质和化学性质的碳,还具有一个鲜为人知的特性,俄罗斯研究人员研制的新型碳材料,其硬度超过金刚石。 Until now, diamonds, or diamonds, have always been regarded as treasures by people because they are not only rare but also the hardest natural substances with perfect chemical and optical properties. And with a series of interesting physical and chemical properties of carbon, it also has a little-known property, a new type of carbon material developed by researchers in Russia that has a hardness that exceeds that of diamond.