工艺参数对结钻石的影响以及增强载体移动性的影响
Xingqiao Chen1,2, Mingyang Yang2, Yuanyuan Mu2
1Jiangxi Provincial Key Laboratory of Power Batteries & Energy Storage Materials, Faculty of Materials Metallurgy and Chemistry, Jiangxi University of Sciences and Technology, Ganzhou 341000, China.
研究人员通过控制微波等离子体化学蒸气沉积 (CVD) 参数,优化了终结钻石用于电子产品. 这导致了显著增强的载体移动性,为先进的半导体设备铺平了道路.
科学领域:
- 材料科学 材料科学 材料科学
- 固态物理 固态物理
- 钻石技术 钻石技术 钻石技术
背景情况:
- 终结钻石通过二维孔气 (2DHG) 呈现P型导电.
- 表面散射机制将终结钻石中的载体流动性限制在50-200cm2/Vs.
- 钻石的电子应用是一个不断增长的研究领域.
研究的目的:
- 为了研究过程参数对终结钻石电气性质的影响.
- 使用微波等离子化学蒸气沉积 (CVD) 在终结钻石中实现高载体移动性.
- 为了优化条件,提高载体移动性和降低板材阻力.
主要方法:
- 使用微波等离子化学蒸气沉积 (CVD) 技术.
- 研究了温度,甲 (CH4) 度和时间对钻石薄膜生长的影响.
- 用于表面终结的等离子处理.
主要成果:
- 钻石基板上的钻石薄膜的同质皮质生长增强了载体的移动性.
- 优化条件 (4% CH4,900°C,30分钟) 产生了高载体流动性 (395cm2/Vs) 和低板电阻 (7.82kΩ/平方).
- 达到了2.03 × 1012/cm2.2的载体度.
结论:
- 优化的CVD工艺参数显著改善了终结钻石的电特性.
- 提高载体移动性和降低板材阻力对于提高设备性能至关重要.
- 这项研究为半导体设备应用提供了一个有前途的材料.
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