Title: Design Optimization of a 35nm Independently-Double-Gated Flexfet¿ SOI Transistor
Abstract: Flexfet is a new SOI IDG-CMOS technology with a damascene metal top gate and an implanted JFET bottom gate that are self-aligned in a gate trench. The independent top and bottom gates are contacted at opposite sides of the channel by a local interconnect that is embedded in the isolation region between devices. A simple analytical dynamic threshold voltage model is developed and verified by extensive device simulation. Optimization of the topgate oxide thickness, silicon thickness, and gate work functions for a 35 nm long NMOSFET is achieved by device simulation. Ideal 1.0V/V dynamic threshold control of this device is achieved.
Publication Year: 2007
Publication Date: 2007-10-01
Language: en
Type: article
Indexed In: ['crossref']
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