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The study of atomically thin two‐dimensional materials is a young and rapidly growing field. In the past years, a great advance in the study of the remarkable electrical and optical properties of 2D materials fabricated by exfoliation of bulk layered materials has been achieved. Due to the extraordinary mechanical properties of these atomically thin materials, they also hold a great promise for future...
We study the effect of local modulation of charge density and carrier type in graphene field effect transistors using a double top gate geometry. The two top gates lead to the formation of multiple p–n junctions. Electron transport measurements at low temperature and in the presence of magnetic field show various integer and fractionally quantized conductance plateaus. We explain these results based...
One atom thick graphene is derived from graphite and is a new material; however, graphite has been a part of human history for centuries. In this article we discuss why it generates so much excitement in a wide variety of scientific disciplines. We emphasize its electronic and mechanical properties with an eye towards applications that may impact our lives sooner, rather than later. We also review...
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