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首页> 外文期刊>Physica status solidi, B. Basic research >Bonding environment and electronic structure of Gd metallofullerene and Gd nanowire filled single-wall carbon nanotubes
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Bonding environment and electronic structure of Gd metallofullerene and Gd nanowire filled single-wall carbon nanotubes

机译：Gd金属富勒烯和Gd纳米线填充的单壁碳纳米管的键合环境和电子结构

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摘要

Being single-walled carbon nanotubes, archetypical 1D systems with peculiar anisotropic electronic properties, it is possible to infer modifications in a controlled manner by filling their inner hollow space. One successful approach was proposed for Gd, which regards filling with metallofullerenes and a successful transformation into different novel metal and a successful transformation into different novel metal nanowires by a versatile nanochemical reaction. In this contribution we report on a combined high resolution photoemission and X-ray absorption study on Gd@C82 peapods and Gd nanowires. From a detailed analysis of the Gd 4d reponse and the valence band in photoemission we are able to elucidate the changes in the bonding environment and charge transfer in these 1D systems. We observe a clear modification of the low energy electronic properties of the SWCNT by the filling with Gd nanowires. Our findings provide important input to understand the interplay between charge transfer and hyridisation in the nanochemical processes in these hybrid systems and to elucidate their electronic transport properties regarding their application potential in nanoelectronic devices. (C) 2008 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
机译：作为单壁碳纳米管，具有独特各向异性电子特性的原型一维系统，可以通过填充其内部空心空间以受控方式推断出修饰。对于G，提出了一种成功的方法，该方法涉及用金属富勒烯填充并通过通用的纳米化学反应成功地转变成不同的新型金属，以及成功地转变成不同的新型金属纳米线。在这项贡献中，我们报告了对Gd @ C82豆足和Gd纳米线进行的高分辨率光发射和X射线吸收的组合研究。通过详细分析Gd 4d反应和光发射中的价带，我们能够阐明键合环境和这些一维系统中电荷转移的变化。我们观察到通过填充Gd纳米线对SWCNT的低能电子特性的明显改变。我们的发现为理解这些杂化系统中纳米化学过程中电荷转移和氢化之间的相互作用提供了重要的信息，并阐明了它们在纳米电子器件中的应用潜力方面的电子传输性质。 （C）2008 WILEY-VCH Verlag GmbH＆Co.KGaA，Weinheim

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