Abstract

The distribution of the conduction-band tail states in ${\mathrm{Zn}}_{0.3}$${\mathrm{Cd}}_{0.7}$Se II-VI semiconductor alloy has been determined experimentally using persistent photoconductivity (PPC) transient measurements, and is confirmed to be exponential. Our results show that the transport properties in II-VI semiconductor alloys are strongly influenced by tail states caused by alloy disorder. A class of transport properties in disordered systems that may be probed by PPC measurements have also been proposed.

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