The Dynamic Dielectric Function "Anomaly" for HgSe:Ga and HgSe:Fe |
| W. Szuszkiewicza, G. Karczewskib, M. Jeżewskia, B. Witkowskab and A. Mycielskib aInstitute of Experimental Physics, Warszawa University, Hoża 69, 00-681 Warszawa, Poland bInstitute of Physics, Polish Academy of Sciences, Al. Lotników 32/46, 02-668 Warsaw, Poland |
| Received: August 8, 1990 |
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| Reflectivity spectra of HgSe crystals highly doped with Ga and Fe, respectively, were investigated in the spectral region close to the absorption edge at temperatures between 12 K and 295 K. From the analysis of the structure observed in reflectivity the temperature dependence of the Fermi energy was determined for both kinds of crystals. |
| DOI: 10.12693/APhysPolA.79.369 PACS numbers: 75.50.Pp, 78.20.Ci, 78.30.Fs |