Calculation of lattice heating in 4H-SiC RF power devices, based on 2D electrical and 3D thermal simulations

K. Bertilsson, C. Harris, H. Nilsson
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Abstract

The paper presents the thermal effects of 4H-SiC RF power devices using simulation based on a combination of 2D device simulations for the electrical transport and 3D thermal simulation for the lattice heating. Using the combined device simulation model the feasibility for different kinds of layouts and the influence on the device performance for SiC RF power MESFET is presented.
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基于二维电学和三维热模拟的4H-SiC射频功率器件晶格加热计算
本文采用二维器件电输运模拟和三维晶格加热热模拟相结合的方法,研究了4H-SiC射频功率器件的热效应。利用组合器件仿真模型,分析了不同布局对SiC射频功率MESFET器件性能的影响。
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