Abstract
We report results of the reflection (type-I, in ZnSe layer) and photoluminescence (PL) spectra (type-Ⅱ) measurements performed on n-doped ZnSe/BeTe/ZnSe type-Ⅱ quantum well structures at low temperature (5—10 K). The reflection spectra show a typical charged exciton (X-) feature. The PL spectra show an asymmetry of the peak, which is a characteristic feature for a charged exciton type transition. The dependence of the PL peak energy on the in-plane magnetic field is considered to be due to the magnetic-field-induced displacement of interlayer negatively charged exciton dispersion in momentum space.
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