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Band-to-band tunneling (BTBT) determines the on-current in tunnel FETs (TFETs). There is a need to review and recalibrate BTBT models used in TCAD tools, which were developed when BTBT was essentially a leakage phenomenon. Here, we consider the process of BTBT through staggered heterojunctions which find application in the design of TFETs having high on-currents. We use a simple 1-D system and compare...
Graphene is a very promising electronic material that has attracted vast research interests due to its unique electronic properties [1]. In this paper, a graphene-based FET-like aptamer sensor is modelled for the case of an aptamer that binds to a cocaine surrogate. Methylene-blue (MB) is a nanoscale molecule that functions as an electron donor. The graphene in these structures exhibits p-type semiconductor...
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