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之七

了原子力显微镜。它也是利用一根探针来扫描物T的表面,当探针靠近待测物T时,探针与物T之间产生作用力,这作用力可以是x1引力或排斥力,并可藉此分析物T表面的形貌。最重要的是,这种仪器可观察的物T不仅是半导T或金属,也可以是绝缘T。现在很多生物样品的观察,已经大量使用这种设备。

    SchematicdiagramoftheC60.C60,alsoknownasbuckyball,isthesimpleststructureinthefullerenefamily,membersofwhicharethemainresearchprojectsofnanoteology.

    By1985,RichardSmalley,RobertCole,andHaroldCrotousedaserongraphitetoevaporateitintocarbonbck.Thepurifiedcarbonclusterswerethenanalyzedinamassspeeter.,foundtwounknownsubstahemassis60timesand70timesthatofcarbon,sothesetwounknownsubstancesarecalleddC70.TheshapeofC60islikeafootball,with20hexagonand12pentagonfaces,aclosedspherewith32fatotal.Infact,wheistscolleicdustinspace,theyhavelongdiscov