This article is cited in 3 papers

Communications

Structural and luminescence characteristics of CuAl_xIn_1−xSe₂ (0<x≤0.30) chalcopyrite solid solutions

I. N. Odin^a, M. V. Gapanovich^b, M. V. Chukichev^c, G. F. Novikov<sup>bd

a</sup> Department of Chemistry, M.V. Lomonosov Moscow State University, Moscow, Russian Federation
^b Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, Moscow Region, Russian Federation
^c Department of Physics, M.V. Lomonosov Moscow State University, Moscow, Russian Federation
^d Department of Physical and Chemical Engineering, M.V. Lomonosov Moscow State University, Moscow, Russian Federation

Abstract: CuAl_xIn_1−xSe₂ solid solutions with a chalcopyrite crystal structure were synthesized from elemental Cu, In, Al and Se. The dependence of their unit cell parameters on x in a range of 0<x≤0.30 was determined. The band with a maximum at 1.320eV in the cathodoluminescence spectra of CuAl_xIn_1−xSe₂ solid solutions at 78K was most likely due to defects formed upon mutual substitution of atoms between the copper and aluminum–indium sublattices in the chalcopyrite structure.

Keywords: CIASe, chalcopyrite, solid solutions, structural data, unit cell parameters, Vegard's rule, cathodoluminescence, band gap levels.

Language: English

DOI: 10.1016/j.mencom.2020.09.038

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