We report a study of magnetoabsorption in three HgTe/Hg0.15Cd0.85Te superlattices at room temperature. Three absorption peaks were observed and analyzed with our transfer‐matrix method. With our initial choice of input parameters, we obtain a reasonable fit with a valence‐band offset of 730 or 850 meV, depending on the sample. We discuss the effects of changes in some of the important input parameters on the superlattice Landau levels.

Topics
Landau levels, Superlattices, Physical optics
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© 1990 American Vacuum Society.
1990
American Vacuum Society
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