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Pb 2 /CdI 2 superlattices (multi-quantum well) have been grown by a hot wall epitaxy. Characteristic peaks due to a long period of superlattices appear on X-ray diffraction patterns. From the analysis of these patterns, thicknesses of both PbI 2 and CdI 2 layers of prepared samples are identified. Optical measurement shows that exciton transition energies in PbI ...
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