期刊
ECS JOURNAL OF SOLID STATE SCIENCE AND TECHNOLOGY
卷 8, 期 7, 页码 Q3195-Q3201出版社
ELECTROCHEMICAL SOC INC
DOI: 10.1149/2.0361907jss
关键词
-
资金
- Department of the Defense, Defense Threat Reduction Agency
- [HDTRA1-17-1-0011]
The temperature rise and distribution in large area beta-Ga2O3 rectifiers is simulated using self-consistent solution of the partial differential equations governing the physics in the electrical and thermal domains with the Florida Object Oriented Device and Process simulator (FLOODS) TCAD simulator. The effect of forward voltage (0-2.5V) and power (0-5.5W) was examined for the different epitaxial layer and bulk substrate thicknesses, as well as edge termination and heat sink geometry. A higher maximum temperature is seen for the devices with thicker bulk substrates, while the effect of Joule heating was more evident in the thinner epi-layer structures since the resistance decreases and the power generation increases, resulting in a higher temperature. The maximum temperature rise was similar to 170K under high power conditions. The heat sink simulation results show a drop in the maximum temperature, where a Cu fin heat sink reduced the maximum temperature by 26.76%. (c) The Author(s) 2019. Published by ECS. This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 License (CC BY, http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse of the work in any medium, provided the original work is properly cited.
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