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We demonstrate a novel characterization method of van-der-Waals' materials by performing near-field-microscopy of hexagonal-boron-nitride thin films on single-crystal silver. Beyond determining dispersion of optical modes, this technique also enables the direct study of light-matter interactions.
Beyond-CMOS devices concepts are greatly dependent on new functional materials to provide inspiration and innovation beyond the silicon status quo. Here, we propose a material framework specifically for beyond-CMOS devices. In doing so, material system examples and data points presented are taken from the Center on Functional Accelerated Nanomaterials Engineering, the STARnet Center of Excellence.
We demonstrate single atomic cladding layer of graphene enhance the photocurrent profile of the monolithic silicon p-i-n junction, by spatially- and spectrally- resolved photocurrent measurement.
Two-dimensional atomic sheets of graphene represent a new class of nanoscale materials with potential applications in electronics. However, exploiting the intrinsic characteristics of graphene devices has been problematic due to impurities and disorder in the surrounding dielectric and graphene/dielectric interfaces. Recent advancements in fabricating graphene heterostructures by alternately layering...
Electron transport in graphene has attracted intense research interest due to its exotic quantum transport behavior discovered in this system in the relation to the device applications beyond CMOS operation. In this presentation, we will discuss ballistic charge transport and quantum carrier collimation in graphene, both of which appear even at room temperature. In addition, we will discuss electronic...
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