Synthesis, structure and luminescence properties of Cd1-xMgxTe (0<x<0.20) solid solutionстатья
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Дата последнего поиска статьи во внешних источниках: 11 января 2016 г.
Аннотация:We have synthesized CdTe–MgTe samples in the composition range 0–30 mol % MgTe. The composition dependence of the unit-cell parameter of the Cd1–x M x Te solid solutions has been obtained for the first time. The lattice parameter of cadmium telluride (sphalerite structure) has been shown to decrease almost linearly in the range 0 ≤ x ≤ 0.20. The 78-K cathodoluminescence spectra of the Cd1–x Mg x Te (0 < x ≤ 0.15) solid solutions heat-treated under vacuum in order to remove the excess tellurium contain strong lines in the edge emission region, due to a transition from the conduction band to a shallow acceptor level.