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Splittings of spontaneous emission lines in laser excited wurtzitetype CdS and ZnO are observed under a uniaxial stress at 1.8 K. The relative intensity of the split components of the excitonic molecule emission line is accounted for by using Hanamura's wave function for the excitonic molecule.
The synthesis of 15-N-acetylglucosaminides of 15α-hydroxyestrone, 15α-hydroxyestradiol, and 15α-hydroxyestriol (estetrol) is described. The latter two were prepared by condensation of 2-acetamido-1α-chloro-1,2-dideoxy-3,4,6-trio-O-acetyl-d-glucopyranose with appropriately protected 15α-hydroxyestrogens by the Koenigs-Knorr reaction employing cadmium carbonate as a catalyst. Subsequent removal of...
Distributed feedback laser was observed in CdS with a simple DFB structure under electron beam excitation. The lasing characteristics such as the temperature dependence and the time dependence of the laser were examined. The line width of the laser spectrum was found to be less than 0.8 Å. Compared to a conventional laser, the lasing wavelength was insensitive to temperature. The dependence of the...
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