Nd:YAG连续激光诱导下硅中钛过饱和掺杂研究

范宝殿; 陈蓉; 庞爱锁; 陈朝

doi:10.7510/jgjs.issn.1001-3806.2016.02.011

Nd:YAG连续激光诱导下硅中钛过饱和掺杂研究

1.
厦门大学能源学院, 厦门 361005;
2.
厦门大学物理与机电工程学院, 厦门 361005

作者简介: 范宝殿(1976-),男,博士研究生,现主要从事第三代太阳电池的研究。.

通讯作者: 陈朝, cchen@xmu.edu.cn

中图分类号: TN248.1⁺3;TN305.3

Study on Si doped with supersaturated Ti induced by continuous wave Nd:YAG laser

1.
College of Energy, Xiamen University, Xiamen 361005, China;
2.
School of Physics and Mechanical & Electrical Engineering, Xiamen University, Xiamen 361005, China

Corresponding author: CHEN Chao, cchen@xmu.edu.cn

CLC number: TN248.1⁺3;TN305.3

摘要: 为了在硅中掺入过饱和的过渡金属杂质,采用自行设计的线形大功率Nd:YAG激光辐照表面溅射钛的硅片,对辐照后样品进行了俄歇电子能谱测试,利用2维热力学模型,对连续激光扫描的过程进行了热力学模拟。结果表明,硅中的钛掺杂浓度远高于钛在硅中的固溶度,钛的最高浓度在表面下方一定距离处;硅片中的最高温度并不在硅的表面,温度分布导致了钛的分布不在表面;模拟结果与实验结果吻合得较好。线形连续激光能够通过对材料表面扫描辐照的方式进行加工,实现过饱和掺杂。
- 激光技术 /
- Nd:YAG激光器 /
- 硅材料 /
- 线形光斑 /
- 钛掺杂 /
- 过饱和
Abstract: In order to prepare Si with supersaturated transition metal, a self-designed linear high power Nd:YAG continuous wave laser was used to irradiate a Si wafer sputtered a layer of Ti. Then the sample was measured by Auger electron spectroscopy and the thermal field was simulated based on the 2-D thermodynamic model. The experimental results indicate that the concentration of Ti in Si is much larger than the solid solubility of Ti in Si and the position of the maximum concentration of the Ti is below the surface of the sample. The maximum temperature is not at the top surface of the sample. Temperature distribution directly leads to the maximum temperature of Si wafer below the top surface of the sample. The simulation results are in good agreement with the experiment results. The saturated transition metal can be supersaturated by irradiating and scanning the material surface with a linear continuous wave laser.
- laser technique /
- Nd:YAG laser /
- Si material /
- line shape spot /
- Ti doping /
- supersaturation

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Nd:YAG连续激光诱导下硅中钛过饱和掺杂研究

作者简介: 范宝殿(1976-),男,博士研究生,现主要从事第三代太阳电池的研究。.

通讯作者: 陈朝, cchen@xmu.edu.cn

Study on Si doped with supersaturated Ti induced by continuous wave Nd:YAG laser

Corresponding author: CHEN Chao, cchen@xmu.edu.cn

计量

Nd:YAG连续激光诱导下硅中钛过饱和掺杂研究

通讯作者: 陈朝, cchen@xmu.edu.cn

作者简介: 范宝殿(1976-),男,博士研究生,现主要从事第三代太阳电池的研究。

English Abstract

Study on Si doped with supersaturated Ti induced by continuous wave Nd:YAG laser

Corresponding author: CHEN Chao, cchen@xmu.edu.cn

全文HTML

目录

留言板

Nd:YAG连续激光诱导下硅中钛过饱和掺杂研究

作者简介: 范宝殿(1976-),男,博士研究生,现主要从事第三代太阳电池的研究。.

通讯作者: 陈朝, cchen@xmu.edu.cn

Study on Si doped with supersaturated Ti induced by continuous wave Nd:YAG laser

Corresponding author: CHEN Chao, cchen@xmu.edu.cn

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Nd:YAG连续激光诱导下硅中钛过饱和掺杂研究

通讯作者: 陈朝, cchen@xmu.edu.cn

作者简介: 范宝殿(1976-),男,博士研究生,现主要从事第三代太阳电池的研究。

English Abstract

Study on Si doped with supersaturated Ti induced by continuous wave Nd:YAG laser

Corresponding author: CHEN Chao, cchen@xmu.edu.cn

全文HTML

目录