在混合MXene/GaN异构结构中的接口屏障工程,用于Schottky二极管应用
Dominika Majchrzak1, Karol Kulinowski2, Wojciech Olszewski1,3
1Łukasiewicz Research Network - PORT Polish Center for Technology Development, Stabłowicka 147, 54-066 Wrocław, Poland.
ACS applied materials & interfaces
|October 18, 2024
概括
无接触电反射检测显示,MXene涂层在化 (GaN) 上提高了接口屏障. 化MXene/GaN结构增强了这种屏障,证明了设备应用的强大稳定性.
科学领域:
- 材料科学 材料科学 材料科学
- 表面科学是一门学科.
- 半导体物理 半导体物理
背景情况:
- 异构结构接口的费米水平对设备性能产生了重大影响.
- 表面现象显著影响异构结构接口属性.
- 了解MXene/GaN接口中的载体转移对于先进的电子设备至关重要.
研究的目的:
- 使用非接触式电反射 (CER) 研究MXene/GaN异构结构中的内置电场.
- 在MXene/GaN接口上分析载体转移机制.
- 评估MXene属性和化对接口特征的影响.
主要方法:
- 无接触电反射 (CER) 用于内置的电场分析.
- 用X射线和紫外线光电子光谱仪进行物理化学性质表征.
- 在750°C的化研究以评估热稳定性.
主要成果:
- 所有五个高工作功能的MXenes (Cr2C,Mo2C,V2C,V4C3,Ti3C2) 都改变了表面费米水平,增加了MXene/GaN接口屏障.
- 在750°C时火MXene/GaN结构增加了屏障高度和电离能.
- 移除多余的MXene并没有显著改变内置电场,这表明MXene/GaN接口的稳定性很强.
结论:
- MXene涂层有效地设计了基于GaN的异构结构中的接口屏障.
- MXene/GaN接口表现出强大的物理化学稳定性,即使在回火后.
- 使用Mo2C和V2C制造的Schottky二极管显示了界面屏障工程的潜力.
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