Abstract
The crystal structure of the chalcogenide compounds CuCo2InTe4 and CuNi2InTe4, two new members of the I-II2-III-VI4 family, were characterized by Rietveld refinement using X-ray powder diffraction data. Both materials crystallize in the tetragonal space group I4 2m (No. 121), Z = 2, with a stannite-type structure, with the binaries CoTe and NiTe as secondary phases.
Highlights
Diluted magnetic semiconductors (DMS) are of great interest because of their peculiar magnetic and magnetooptical properties arising from the presence of magnetic ions in the lattice[1]
The DMS materials more frequently studied are alloys obtained from the tetrahedrally coordinated derivatives of the II-VI semiconductor family[2]. One of these derivative families are the quaternary semiconductors with formula I-II2-III-VI4 and I2-II-IV-VI4 which belong to the normal compound of fourth derivatives of the II-VI binary semiconductors with three types of cations[3], and fulfil the rules of adamantane compound formation[2,3]
It has been of interest to carry out a systematic study of the crystal structure of quaternary diamond-like families13-16, . 23-26 in this work we report the X-ray powder diffraction analysis and crystal structure of the quaternary compounds CuCo2InTe4 and CuNi2InTe4, two new members of the I-II2-III-VI4 family, which crystallize with a stannite structure
Summary
Diluted magnetic semiconductors (DMS) are of great interest because of their peculiar magnetic and magnetooptical properties arising from the presence of magnetic ions in the lattice[1]. The DMS materials more frequently studied are alloys obtained from the tetrahedrally coordinated derivatives of the II-VI semiconductor family[2] One of these derivative families are the quaternary semiconductors with formula I-II2-III-VI4 and I2-II-IV-VI4 which belong to the normal compound of fourth derivatives of the II-VI binary semiconductors with three types of cations[3], and fulfil the rules of adamantane compound formation[2,3]. According to these rules, the cation substitution is performed in such a way that an average number of four valence electrons per atomic site and a value eight for the ratio valence electrons to anions is maintained[2]. It has been of interest to carry out a systematic study of the crystal structure of quaternary diamond-like families13-16, . 23-26 in this work we report the X-ray powder diffraction analysis and crystal structure of the quaternary compounds CuCo2InTe4 and CuNi2InTe4, two new members of the I-II2-III-VI4 family, which crystallize with a stannite structure
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