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In this study, we propose a new technology to fabricate pseudo tri-gate vertical (PTGV) MOSFETs without p-n junctions, named junctionless PTGVMOS (JPTGV). According to numerical analysis, the excellent electrical characteristics such as subthreshold swing (S.S.) ~ 60mV/dec, Ion/Ioff ~ 1010, and low interface trap density are all achieved. The device without p-n junctions provides an easier way for...
A new planar-type body-connected FinFET structure produced by the isolation-last self-align process is demonstrated and characterized by using three-dimensional (3-D) numerical simulations. The new process step first defines the gate region and then the active region, thus it can achieve fully self-alignment undoubtedly. Besides, due to the isolation-last process (ILP), an additional body region (ABR)...
This paper examines the effect of block oxide height (HBO) on a self-aligned (SA) source/drain-tied n-shaped block oxide field-effect transistor (S/D-tied nBOFET). According to the simulation results of a two-dimensional (2-D) numerical simulator DESSIS, the height of the block oxide is one of the important parameters for the suppression of short-channel effects (SCEs). Hence, the forming of HBO becomes...
A novel device architecture-the self-aligned pi-shaped source/drain (S/D) ultrathin silicon-on-insulator (UTSOI) FET-is presented for the first time in the field of silicon-on-insulator (SOI) technology; this new device demonstrates how to decrease the self-heating effects in the SOI-based devices. Two-dimensional simulations show that the cost of building an S/D tie into the UTSOI-FET is a modest...
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