ZnTe和CdTe中Cu、Ag和Au受体空穴的Lyman谱
Lyman spectra of holes bound to Cu, Ag, and Au acceptors in ZnTe and CdTe
摘要：
IB族杂质（Cu，Ag和Au）纳入II-VI族锌基质的ZnTe和CdTe表现出良好的解决激发线，然后在其红外吸收光谱的光电离连续。它们与从“类1 s”基态到各种“类p”激发态的跃迁有关，这种跃迁是束缚在库仑中心的空穴的特征。它们的间距与有效质量理论中预测的单受体一致，正如IB族元素取代取代主机的IIB族阳离子所预期的那样。莱曼跃迁的同时激发的发生与区域中心的纵向光学声子相结合，因此躺在光电离连续和显示Fano样的不对称性的功能描述和解释。
英文摘要：
The group IB impurities (Cu, Ag, and Au) incorporated into II-VI zinc blende hosts of ZnTe and CdTe exhibit well resolved excitation lines followed by a photoionization continuum in their infrared absorption spectra. They are associated with transitions from a "1s-like" ground state to various "p-like" excited state characteristic of a hole bound to a Coulomb center. Their spacing agree well with those predicted in the effective mass theory for single acceptors as expected for group IB elements substitutionally replacing the group IIB cations of the host. The occurrence of the simultaneous excitation of the Lyman transitions in combination with the zone center longitudinal optical phonon and hence lying in the photoionization continuum and displaying Fano-like asymmetries are features described and interpreted.
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