Phonon replicas of recombination radiation of an electron-hole liquid in ZnO
Gudymenko L.F., Gule E.G., Lisitsa M.P., Yaremko A.M.
The temperature dependence of recombination radiation of ZnO single crystals is investigated at high excitation levels. The 2LO and 3LO phonon replicas of the emission band of an electron-hole liquid were observed for the first time in the temperature interval 4.2-70 K.