Optical Properties of Alkaline-Earth Chalcogenides.I.Single Crystal Growth and Infrared Reflection Spectra Due to Optical Phonons
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概要
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Single crystals of alkaline-earth chalcogenides, CaS, CaSe, SrS, SrSe, BaS andBaSe, have been prepared by the floating-zone method using a Xe-arc imagefurnace. Details of the crystal growth technique are described. As the first reportof our studies on the optical properties of these Ila-Vlb compounds, the infraredreflection spectra due to the optical phonons are presented. From a dispersionanalysis of the spectra, the frequencies of transverse and longitudinal opticalphonons and related dispersion parameters are determined. Discussions are madeon the effective charges and the chemical trend of these binary compounds.
- 社団法人日本物理学会の論文
- 1982-07-15
著者
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Koda Takao
Department Of Applied Physics Faculty Of Engineering The University Of Tokyo
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Morimoto Koichi
Department Of Applied Physics Faculty Of Engineering The University Of Tokyo:science And Technology
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Kaneko Yoshio
Department Of Applied Physics Faculty Of Engineering The University Of Tokyo
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Koda Takao
Department of Applied Physics,Faculty of Engineering,The University of Tokyo
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