In this study, the effects of two distinct gate oxide formation techniques were compared to the conventional technique. The charge plasma technique was applied to create the N+-I-N+ doping profile, which is induced by the work-function difference between metal electrodes on a low-doped substrate. The effects of stacking a high-κ gate oxide with a low-κ gate oxide beneath the gate and segmenting the gate oxide with a high-κ oxide at the source side and low-κ oxide at the drain side have been analyzed with the short channel effects (SCEs) parameters and radio-frequency (RF)/analog figure of merits. The HGO-CPNWT demonstrates enhanced performances in terms of Ion/Ioff of 1.66 × 108, subthreshold slope (SS) of 65.74 mV/decade, drain-induced barrier lowering (DIBL) of 47.857 mV/V, peak transconductance (gm) of 3.43 × 10−5 S/μm, and peak cut-off frequency (ft) of 114 GHz. The simulation employs a comprehensive quantum transport model, and the comparative impacts of adjusting channel length (Lg), nanowire radius (r), and gate oxide thickness (Tox) are studied.
2. RF and Linearity Analysis of Gate-Engineered Dual Heterojunction Charge Plasma TFET with Improved Ambipolarity, J. Mater. Sci.: Mater. Electron., Springer.
Heterojunction Charge Plasma TFET is extensively researched due to its reduced fabrication complexity, steep subthreshold slope (< 60 mV/dec), higher Ion/Ioff, and better current compared to silicon-based TFET. However, ambipolar behavior is more prominent in heterojunction TFET. So, in this research, a novel dual heterojunction structure has been proposed to mitigate the ambipolar current, and the on current is increased by using a different workfunction metal gate (tunnel gate). In addition, we optimized the device by tuning the different physical parameters of the device using Silvaco TCAD. The RF and linearity performance is also evaluated, and a comparative study is presented with existing literature.
3. Grated CdS Electron Transport Layer-based Perovskite Solar Cell with Embedded Plasmonic Au Nanoparticles for Absorption Enhancement: Optical, Thermal, and Electrical Analysis, Journal of Physics: Energy, IOPscience.
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