Abstract
The first absorption coefficient spectra determined in the region of the fundamental band edge of metal-organic vapour phase grown Cd x Hg 1− x Te (CMT) with x between 0.2 and 0.3 are presented. Analysis of these spectra shows that the optical band edge correlates with α e, between 1000–2000 cm −1. Using these spectra the form of the absorbance curve of uniform CMT can be generated, which when compared with experimental data can be used to obtain a qualitative assessment of the depth uniformity of epitaxial layers.
Published Version
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