Photoluminescence in PbTe-PbEuTeSe multiquantum wells

Goltsos, W.; Nakahara, J.; Nurmikko, A. V.; Partin, D. L.
June 1985
Applied Physics Letters;6/15/1985, Vol. 46 Issue 12, p1173
Academic Journal
Infrared photoluminescence has been studied in a thin (92 Ã…) PbTe-PbEuTeSe multiquantum well structure. The spectra show good agreement with calculations for the n=1 quantum well transition for a simple two-dimensional electron-hole gas with low-energy broadening consistent with monolayer well width fluctuations. From the measured effective electron temperatures we estimate that the electron-longitudinal optical phonon interaction is significantly reduced in comparison with bulk PbTe.


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