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2005
Equilibria
E 4000
28- 013
Equilibria
X-Ray Powder Diffraction, Phase Transitions and Optical Characterization of the
Cu(In1-xGa x)3Te5 Semiconducting System. — The title system is characterized by
powder XRD, DTA, and optical transmission spectroscopy. A solid solution with a tetragonal chalcopyrite-related structure is formed over the entire range of compositions
(0 ≤ x ≤ 1) for temperatures below 620 °C. A phase transition to a cubic phase occurs
above 620 °C for all composition. The energy band gap is direct and varies linearly with
x. — (GUEVARA, R.; MARIN, G.; DELGADO*, J. M.; WASIM, S. M.; RINCON, C.;
SANCHEZ PEREZ, G.; J. Alloys Compd. 393 (2005) 1-2, 100-104; Lab. Nac. Difr.
Rayos-X, Fac. Cienc., Univ. Los Andes, Merida 5101, Venez.; Eng.) — W. Pewestorf
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