Electrical and Optical Properties of CdS-MnS Single Crystals

概要

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Single crystals of Cd_<1-x>Mn_xS (x<__-0.4) were prepared by Bridgman-Stockbarger method under high gas pressure and electrical and optical properties of these crystals were measured. The mobility of electrons was found to be significantly influenced by the alloy scattering. In the optical absorption spectra, three absorption peaks due to Mn^<2+> ions were observed at 455, 480, and 510 mμ, similar to the case of Zn_<1-x>Mn_xS crystals. The band gap of Cd_<1-x>Mn_xS varies anomalously with x; it shows a minimum at x∼0.03 and increases linearly with x for x>__-0.1. The reason for the appearance of this minimum at small x has not been understood.
社団法人日本物理学会の論文
1968-08-05