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2004
Structure
D 2000
50- 009
Crystal Growth of the CdGa2(1-x)Cr2xSe 4 Compounds by Chemical Transport
Method. — Single crystals of the title compounds (0 ≤ x ≤ 1) are prepared by the
chemical transport technique in closed quartz capsules from stoichiometric mixtures of
the elements using I2, CdCl 2, or CrCl3 as transporting agent. As revealed by powder
XRD the samples with x = 0.2 and 0.3 crystallize in the tetragonal space group I4 with
Z = 2, the x = 0.5 sample in the hexagonal space group R3m with Z = 0.67, and the
compounds with x = 0.6 and 1.0 in the cubic space group Fd3m with Z = 8. The transport agent CdCl2 produces very good yields during the transport process for the single
crystal growth of samples with x < 0.6. — (SAGREDO*, V.; DE CHALBAUD, L. M.;
Cryst. Res. Technol. 39 (2004) 10, 877-880; Dep. Fis., Fac. Cienc., Univ. Los Andes,
Merida 5101, Venez.; Eng.) — W. Pewestorf
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