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Electronic properties of graphene

机译:石墨烯的电子性质

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摘要

Graphene is the first example of truly two-dimensional crystals - it's just one layer of carbon atoms. It turns out that graphene is a gapless semiconductor with unique electronic properties resulting from the fact that charge carriers in graphene obey linear dispersion relation, thus mimicking massless relativistic particles. This results in the observation of a number of very peculiar electronic properties - from an anomalous quantum Hall effect to the absence of localization. It also provides a bridge between condensed matter physics and quantum electrodynamics and opens new perspectives for carbon-based electronics.
机译:石墨烯是真正二维晶体的第一个例子-它只是一层碳原子。事实证明,石墨烯是具有独特电子特性的无间隙半导体,这是由于石墨烯中的载流子遵循线性色散关系,从而模仿了无质量的相对论粒子。这导致观察到许多非常特殊的电子特性-从异常的量子霍尔效应到不存在局部化。它还在凝聚态物理与量子电动力学之间架起了一座桥梁,并为碳基电子学开辟了新的视角。

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