Growth of InGaAsP Quaternary by Chloride VPE

Abstract
We report on the first successful growth of InGaAsP quaternary alloy by chloride vapor phase epitaxy, which uses PCl3 and AsCl3 as sources of group V elements and In and Ga as metal sources. We found that the controllability and reproducibility of the alloy composition are excellent. InGaAsP quaternary alloy with an energy gap corresponding to the light energy of 1.3 µm has been grown with lattice mismatch lower than 2×10-4.
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