在商业E-Mode GaN-on-Si HEMT中切换2-DEG通道的影响
1Department of Electronics, National Polytechnic Institute, School of Mechanical and Electrical Engineering, Mexico City 07738, Mexico.
Micromachines
|October 29, 2025
概括
本研究研究了E模式的GaN-on-Si HEMT中的二维电子气体 (2-DEG) 通道. 研究表明,切换传导模式如何取决于工作频率,温度和材料特性.
科学领域:
- 材料科学 材料科学 材料科学
- 电气工程 电气工程
- 半导体物理 半导体物理
背景情况:
- 在 (Si) 上的化 (GaN) 高电子移动性晶体管 (HEMT) 对功率电子非常重要.
- 了解二维电子气体 (2-DEG) 通道的切换行为对于设备优化至关重要.
- E模式的GaN-on-Si HEMT在功率转换效率方面具有优势.
研究的目的:
- 在E模式的GaN-on-Si HEMT中研究2-DEG通道的切换特性.
- 提出并验证切换模式导电的实用原型.
- 分析物理参数对2-DEG通道传导模式的影响.
主要方法:
- 使用了商用GS-065-004-1-L E模式的GaN-on-Si HEMT设备.
- 开发了一种系列连接的无芯变压器原型,用于切换模式传导.
- 采用基于化 (GaN) 半导体参数的教学物理模型.
- 分析了测试电路检查的波形.
主要成果:
- 使用物理模型在p-GaN/n-AlGaN/i-GaN异质连接处验证的导电模式.
- 确认2-DEG通道的切换导电模式取决于工作频率和温度.
- 证明了低场电子流动性和空间电荷电容对切换行为的影响.
结论:
- 在E模式的GaN-on-Si HEMT中,2-DEG通道的切换导电模式受到物理参数的显著影响.
- 拟议的原型为研究切换模式导电提供了一种实用方法.
- 准确预测设备性能需要考虑半导体参数和操作条件.
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