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In this work, we for the first time study the fluctuation and interaction between interface traps (ITs) and random dopants (RDs) of 16 nm MOSFETs. Totally random devices with 2D ITs at Si/high-к oxide interface and 3D RDs inside channel are simultaneously examined using an experimentally validated 3D device simulation. Pure random ITs at Si/high-к oxide interface will increase the threshold voltage...
We study effects of interface traps (ITs) and random dopants (RDs) on 16-nm high-κ/metal gate MOSFETs. Totally random generated devices with 2D ITs at the HfO2/silicon oxide interface as well as 3D RDs inside the channel are simulated. Fluctuations of threshold voltage, on/off state current and gate capacitance of the tested devices are estimated and discussed. The results indicate the aforementioned...
In this paper, we estimate the influences of random dopants (RDs) and interface traps (ITs) using experimentally calibrated 3D device simulation on electrical characteristics of high-κ / metal gate CMOS devices. Statistically random devices with 2D ITs between the interface of silicon and HfO2 film as well as 3D RDs inside the device channel are simulated. Fluctuations of threshold voltage and on-/off-state...
In this paper, we examine the impact of random-dopant-fluctuation (RDF), process-variation-effect (PVE), and workfunction-fluctuation (WKF), on 16-nm-gate metal-oxide-semiconductor field-effect-transistor (MOSFET) static random access memory (SRAM) cells. For planar MOSFETs with a threshold voltage of 140 mV, the nominal static noise margin (SNM) of six-transistor (6T)-SRAM with unitary cell ratio...
Modeling of device variability is crucial for the accuracy of timing in circuits and systems, and the stability of high-frequency application. Unfortunately, due to the randomness of dopant position in device, the fluctuation of device gate capacitance is nonlinear and hard to be modeled in current compact models. Therefore, a large-scale statistically sound ldquoatomisticrdquo device/circuit coupled...
As the dimension of semiconductor device shrunk into nanoscale, characteristic fluctuation is more pronounced, and become crucial for circuit design. Diverse approaches have been reported to investigate and suppress the random-dopant-induced fluctuations in devices. However, attention is seldom drawn to the existence of high-frequency characteristic fluctuations of active device. In this paper, intrinsic...
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