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From astrophysics to mesoscopic physics: a sightseeing tour in the world of clusters and fullerenes

机译:从天体物理学到介观物理学:星团和富勒烯世界的观光旅游

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Abstract: The discovery of the fullerenes in 1985 by Kroto, Heath, O'Brien, Curl and Smalley and the development of a method for production of macroscopic amounts in 1990 by Kraetschmer, Lamb, Fostiropoulos and Huffman opened a new area of carbon research with possible production of new materials with unique properties. The field has developed further later on with discoveries of nanotubes, metal filled nanotubes, carbon onions and more recently metal covered fullerenes. All these new discoveries show how cluster science opens approaches to the area of meososcopic physics. The general trend is here in the direction from small to large contrary to the general trend of modern meososcopic physics or micro-electronics where the movement is from large to small. It is especially fascinating how the whole area of fullerene research was initiated by problems in astrophysics. Originally Kraetschmer and Huffman had the intention to explain an observed strong extinction form interstellar dust and produced in experiments special carbon soot with a characteristics optical absorption known as 'the camel hump smoke'. This paper gives a short overview of some of our more recent theoretical work of the electronic properties of C$-60$/, metal covered C$-60$/ and nanotubes. In addition some results are also presented of optical properties of metal covered C$-60$/ as a function of metal coverage. !83
机译:摘要:1985年Kroto,Heath,O'Brien,Curl和Smalley发现了富勒烯,1990年Kraetschmer,Lamb,Fostipropoulos和Huffman提出了一种生产宏观量的方法的方法,开辟了一个新的碳研究领域。可能生产具有独特性能的新材料。后来随着纳米管,填充金属的纳米管,碳洋葱和最近被金属覆盖的富勒烯的发现,该领域得到了进一步发展。所有这些新发现都说明了聚类科学如何为介观物理学领域打开了道路。这里的总体趋势是从小到大的方向,这与现代的介观物理学或微电子学的总体趋势相反,后者的运动是从大到小。尤其令人着迷的是,天体物理学中的问题是如何引发整个富勒烯研究领域的。最初,Kraetschmer和Huffman打算解释星际尘埃形成的强烈灭绝现象,并在实验中产生了具有光学吸收特性的特殊碳黑,称为“驼峰烟雾”。本文简要概述了我们对C $ -60 $ /,金属被覆C $ -60 $ /和纳米管的电子性能的最新理论工作。另外,还给出了金属覆盖的C $ -60 $ /的光学性能随金属覆盖率的变化的一些结果。 !83

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