Ingots of AlxGayIn1−x−ySb were grown using a directional freeze technique. Slices were cut from these ingots and their compositions determined by an x-ray fluorescence method. X-ray powder photographs were taken of the slices to check for single phase condition and hence lattice parameter values were determined. Optical energy-gap values were also obtained from standard transmission measurements. Empirical equations were then derived to fit the lattice parameter and energy-gap data as functions of composition.
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Zbitnew et al. (1981) studied this question.
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