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报道了ｎ型ＧａＡｓ的杂质磁光电导谱．在相对低的磁场下观察到束缚电子高激发态与ＬＯ声子的共振相互作用；讨论了共振极化子光电导响应随磁场强度变化的行为，以及钉扎在ＬＯ声子能量处的光电导峰的物理起源
The impurity magneto-optical conductivity spectra of n-type GaAs are reported. The resonant interaction between the bound excited electron excited states and the LO phonon was observed at a relatively low magnetic field. The behavior of the photoconductivity of the resonant polarizer with the change of magnetic field and the photoconductivity at LO phonon energy were discussed. The physical origin of the peak