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Nanoelectromechanics using graphene

机译:使用石墨烯的纳米机电

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摘要

The large in-plane modulus of rigidity and low mass density of one-atom-thick graphene makes it an exciting material for studying mechanics at nanoscale. Further, the remarkable electronic properties of graphene give an additional edge to explore the small coupling between electronic and mechanical degrees of freedom. Ballistic transport can be reached in very clean suspended graphene samples, allowing to probe coupling between nanoscale electromechanics and quantum Hall effect. Such devices can also be used to measure intrinsic properties of graphene like coefficient of thermal expansion. In this article, we present summary of results from our group integrating these aspects of graphene. Towards the end, we briefly speculate roadmap for future experiments harnessing unique properties of graphene. Nanomechanical devices can then be used for applications as well as to explore aspects of mesoscopic physics with unprecedented detail.
机译:一原子厚的石墨烯的高平面内刚度模量和低质量密度使其成为研究纳米尺度力学的令人兴奋的材料。此外,石墨烯出色的电子性能为探索电子和机械自由度之间的小耦合提供了额外的优势。在非常干净的悬浮石墨烯样品中可以达到弹道传输,从而可以探测纳米级机电与量子霍尔效应之间的耦合。这样的装置还可用于测量石墨烯的固有性质,例如热膨胀系数。在本文中,我们将总结来自石墨烯这些方面的研究成果。最后,我们简要推测了利用石墨烯独特性质的未来实验路线图。然后,可以将纳米机械装置用于应用程序,并以前所未有的细节探索介观物理学的各个方面。

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