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文章简要地叙述了光激电流瞬态谱(PICTS)及恒流光电导(CCPC)设备的建立过程及测量方法。并首次用二种方法结合起来以研究掺铁半绝缘磷化铟(InP)中深能级的热电离能,载流子的发射与俘获特性,杂质波函数的局域程度及电子与晶格之间的相互作用。并给出了铁能级在禁带中的确切能量位置。
The article briefly describes the establishment and measurement of photo-induced current transient (PICTS) and constant current photoconductive (CCPC) equipment. For the first time, two methods were used to study the thermal ionization potential, the carrier emission and capture characteristics, the local extent of the impurity wave function and the interaction between the electron and the crystal lattice interaction between. The exact energy position of the iron level in the forbidden band is given.