학술논문

Improved Ohmic Contact Model for Accurate Simulation of GaN-based HEMTs Using Ensemble Monte Carlo Methods
Document Type
Conference
Source
2022 IEEE International Meeting for Future of Electron Devices, Kansai (IMFEDK) Future of Electron Devices, Kansai (IMFEDK), 2022 IEEE International Meeting for. :1-2 Nov, 2022
Subject
Communication, Networking and Broadcast Technologies
Components, Circuits, Devices and Systems
Computing and Processing
Engineered Materials, Dielectrics and Plasmas
Photonics and Electrooptics
Power, Energy and Industry Applications
Signal Processing and Analysis
Electrodes
Extrapolation
Monte Carlo methods
Cutoff frequency
HEMTs
Logic gates
Ohmic contacts
GaN
HEMT
Current gain cutoff frequency
Gate length
Language
Abstract
Ensemble Monte Carlo simulation was performed to simulate the current gain cutoff frequency (f T ) of an AlN/GaN HEMT. It was found that the donor density in the source ohmic neutral region should be larger than 5×10 20 cm -3 to precisely calculate the drain current. The calculation results indicated that as high as 1.6 THz of f T was achieved with a gate length of 10 nm.