Biomolecular variations can be accounted for by changes in the intrinsic properties of the surrounding medium, such as the refractive index. This work employs such an arrangement using a modi ed attenuated total internal re ection con guration for telecommunication wavelength (1550nm). The phenomenon of surface plasmon resonance is initiated by Aluminum (Al) metal due to its low cost and better compatibility with CMOS devices. To achieve improved plasmonic response in terms of the sensor's resolution, we have explored metal-dielectric-metal con guration under angle interrogation.Barium titanate and Molybdenum disul de (MoS 2 ) have been employed as the high dielectric constant material and the binding media respectively to enhance the sensing performance. After a series of optimizations, the proposed device con guration leads to a maximum Figure of Merit (FOM) of 540.9 RIU − 1 , thus enhancing the resolution. The proposed plasmonic device can be used for chikungunya virus detection by considering different blood components in normal and infected stages. This Al-based multilayered plasmonic device can serve many applications for resolution enhancement in the near-infrared region.
Tunnel Field Effect Transistors (TFETs) are potential semiconductor devices which offer low off current, sub-60 mV dec −1 subthreshold swing and significantly alleviated short channel effects, as compared to downscaled MOSFETs. However, the low on current in TFETs has been a major challenge which has propelled the direction of research towards proposals of novel geometries. The emergence of a number of geometries and their detailed optimizations creates a number of challenges for selecting the best one among them. This work presents the different challenges and offers an effective solution through the discussion involving a figure of merit.
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