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Electrical Characteristic Variability in 16-nm Multi-Gate MOSFET Current Mirror CircuitIn this study, we examine the dependency of current mirror circuit characteristics on channel-fin aspect-ratio (AR = fin height / the fin width) of 16-nm multi-gate MOSFET and device's intrinsic parameter fluctuation including metal-gate work-function fluctuation (WKF), random-dopant fluctuation (RDF), process-variation...
This work, for the first time, examines the work function fluctuation (WKF) and interface trap fluctuation (ITF) using experimentally calibrated 3D device simulation on high-κ/metal gate technology. The random WKs result in 36.7 mV threshold voltage fluctuation (σVth) for 16 nm N-MOSFETs with TiN gate, which is rather different from the result of averaged WKF (AWKF) method [1] due to localized random...
In this work, we for the first time explore the dual material gate (DMG) and inverse DMG devices for suppressing random dopant fluctuation (RDF)-induced characteristics fluctuation in 16-nm MOSFET devices. The physical mechanism of DMG devices to suppress RDF are investigated and discussed. The improvement of DMG for suppressing the RDF-induced Vth, Ion, and Ioff fluctuation are 28%, 12.3%, and 59%,...
In this work, we statistically examine the emerging high-κ/ metal gate work-function fluctuation (WKF) induced threshold voltage (Vth) fluctuations in 16-nm-gate MOSFET devices. Our Monte-Carlo model extensively evaluates the impact of WKF for different technology node, metal grain size, and gate material. This model provides us to identify suitable materials and fabrication processes that can significantly...
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