计算物理 ›› 2003, Vol. 20 ›› Issue (5): 418-422.
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杨林安1, 张义门1, 于春利1, 杨永民2, 张玉明1
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YANG Lin-an1, ZHANG Yi-men1, YU Chun-li1, YANG Yong-min2, ZHANG Yu-ming1
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摘要: 分析了4H-SiC射频功率MESFET栅源和栅漏区域内的表面态形成,建立了包含表面态影响的非线性解析模型,理论描述了对器件输出特性的稳态、瞬态响应.本模型具有计算简单、物理概念清晰的特点.
关键词: 碳化硅, 金属半导体场效应晶体管, 表面态, 钝化
Abstract: An analytical non-linear model including surface-state effect is proposed for 4H-SiC power MESFET's with which the impact of suface damage at the ungate recess region caused by the dry-etching process on the output steady-state characterization can be illustrated clearly.The model has the advantage in very simple calculations over the 2D numerical simulations, therefore suitable for process analysis of SiC power MESFET's.
Key words: silicon carbide, MESFET, surface-state, passivation
中图分类号:
O472.1
杨林安, 张义门, 于春利, 杨永民, 张玉明. 表面态对碳化硅功率金-半场效应管特性的影响[J]. 计算物理, 2003, 20(5): 418-422.
YANG Lin-an, ZHANG Yi-men, YU Chun-li, YANG Yong-min, ZHANG Yu-ming. Surface-state Effects on Silicon Carbide Power MESFET's[J]. CHINESE JOURNAL OF COMPUTATIONAL PHYSICS, 2003, 20(5): 418-422.
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