Optical Properties of Epitaxial PbSe Films
- 15 October 1968
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 174 (3), 849-854
- https://doi.org/10.1103/physrev.174.849
Abstract
Transmission measurements have been carried out on thin films of lead selenide in the energy range 0.5-6 eV. The thicknesses varied from 180 to 550 Å. The index of refraction and the extinction coefficient were calculated by Kramers-Kronig analysis. These show a significant divergence from earlier published values. A splitting of the 4.5-eV absorption peak is observed at low temperatures, which is attributed to spin-orbit splitting in selenium.Keywords
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