Optical and Magnetooptical Studies of the Interband Transition of Holes in Tellurium
- 1 January 1970
- journal article
- research article
- Published by Wiley in Physica Status Solidi (b)
- Vol. 38 (2) , 799-808
- https://doi.org/10.1002/pssb.19700380229
Abstract
The interband transitions of holes in tellurium by absorption experiments are investigated in the energy range 100 to 170 meV on variously doped single crystals (1014 to 5 × 1017 holes/cm3) between 1.6 and 77 °K. Calculations of the absorption spectrum due to the direct inter‐valence band transitions are performed, using for the two split valence bands the dispersion relation . Theoretical curves account quantitatively for the experimental absorption data obtained at 23 and 77 °K. The comparison of the computed and observed spectra enables us to determine the parameters of the theoretical model. The existence of transitions into an impurity level appears at very low temperature. Results of magnetoabsorption experiments obtained at low field are reported.Keywords
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