Abstract
The InAs1−xSbx ternary alloy band gap nonlinearly depends on the composition, which provides the opportunity for use of this material in devices operating in a wide range of infrared radiation. We present experimental results for InAs1−xSbx samples for Sb composition from 0.1 to 0.8. The most common way to determine it is by using a high resolution X-ray diffractometer. In a previous article, we showed that energies of folded longitudinal acoustic and folded transverse acoustic Raman peaks are linearly correlated with mole fraction. In this work, we will illustrate how to determine mole fraction using peak energy and calculate the bowing parameter for InAs1−xSbx at 300 K.
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