Coulomb Effects at Saddle-Type Critical Points in CdTe, ZnTe, ZnSe, and HgTe
- 15 May 1971
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 3 (10) , 3299-3302
- https://doi.org/10.1103/physrevb.3.3299
Abstract
The Kane model for saddle-point excitons is applied to CdTe, ZnTe, ZnSe, and HgTe by studying the shape of the imaginary part of the dielectric constant obtained by reflectivity measurements at 10 °K. We have obtained for CdTe and 20 for ZnTe but we have not been able to measure the ratio for ZnSe or HgTe.
Keywords
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