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磁场下硅中硼受主的光热电离光谱
PHOTOTHERMAL IONIZATION SPECTROSCOPY OF BORON ACCEPTOR IN Si UNDER MAGNETIC FIELD
【摘要】 用光热电离光谱方法研究了硅中硼受主杂质能级在0~11T磁场下的塞曼效应。观察到硅中硼受主激发态的塞曼分裂与移动。实验结果与讨论表明:由于价带的复杂性、浅受主的基态和激发态在磁场下简并的解除以及大的空穴有效质量,硅中浅受主的塞曼效应较浅施主更为复杂
【Abstract】 The Zeeman effect of B acceptor in Si was investigated with PTI technique under magnetic field up to 11T with B→∥K→∥(100) .The Zeeman splitting of the excited state for B in Si was observed.The experimental results and analysis show that the Zeeman effect of shallow acceptor is complicated as compared with that of shallow donor in Si due to the complicated valence band,large hole effective mass and the splittings of the ground state and excited state of acceptor.
【关键词】 光热电离光谱;
浅受主;
塞曼效应;
【Key words】 photothermal ionization spectroscopy; shallow acceptors; Zeeman effect.;
【Key words】 photothermal ionization spectroscopy; shallow acceptors; Zeeman effect.;
- 【文献出处】 红外与毫米波学报 ,JOURNAL OF INFRARED AND MILLIMETER WAVES , 编辑部邮箱 ,1996年02期
- 【分类号】O434.33
- 【下载频次】29