Crystal growth and investigation of CuAlxGa1-xTe2 solid solutions by I. V. Bodnar, I. A. Victorov, and V. M. Dabranski

Crystal Research and Technology

Cryst. Res. Technol. 39, 99 (2004) - Abstract -

Crystal growth and investigation of CuAl_xGa_1-xTe₂ solid solutions

I. V. Bodnar, I. A. Victorov, and V. M. Dabranski

Belarusian State University of Informatics and Radioelectronics, P. Brovka str. 6, 220027, Minsk, Belarus

Keywords	ternary compounds, chalcopyrite, X-ray, DTA, phase diagram, microhardness
PACS	65.40 De
DOI	10.1002/crat.200310155

Alloys of the CuGaTe₂-CuAlTe₂ system have been synthesized by the one-temperature method and homogenized by annealing. It was established for the first time by X-ray and DTA methods that a continuous row of solid solutions is formed in the system. Large block crystals of CuAl_xGa_1-xTe₂ solid solutions have been grown by the Bridgman method (horizontal version). Measurements of density, microhardness and thermal expansion have been carried out on the grown crystals. It has been established, that the density and thermal expansion coefficients are changed linearly with composition, microhardness has a maximum at x = 0.6.

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