Synthesis, structure, and luminescence properties of Cd1–xMgxTe (0 < x < 0.20) solid solutions


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Abstract

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–xMxTe 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–xMgxTe (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.

About the authors

M. V. Gapanovich

Institute of Problems of Chemical Physics

Email: i.n.odin@mail.ru
Russian Federation, pr. Akademika Semenova 1, Chernogolovka, Moscow oblast, 142432

I. N. Odin

Faculty of Chemistry

Author for correspondence.
Email: i.n.odin@mail.ru
Russian Federation, Moscow, 119899

M. V. Chukichev

Faculty of Chemistry

Email: i.n.odin@mail.ru
Russian Federation, Moscow, 119899

V. F. Kozlovskii

Faculty of Chemistry

Email: i.n.odin@mail.ru
Russian Federation, Moscow, 119899

G. F. Novikov

Institute of Problems of Chemical Physics

Email: i.n.odin@mail.ru
Russian Federation, pr. Akademika Semenova 1, Chernogolovka, Moscow oblast, 142432

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