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Temperature dependence of the energy gaps in CdGa2Se4 and CdGa2Se4:Co2+ single crystals

โœ Scribed by Chang-Dae Kim; Tong-San Cho; Wha-Tek Kim; Hong-Lee Park

Book ID
107855283
Publisher
Elsevier Science
Year
1987
Tongue
English
Weight
166 KB
Volume
63
Category
Article
ISSN
0038-1098

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Energetic band structure and optical spe
Energetic band structure and optical spectra of CdGa2Se4, CdGa2S4 and CdAl2S4 crystals
โœ N.N Syrbu; V.E Tezlevan ๐Ÿ“‚ Article ๐Ÿ“… 1995 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 341 KB

Reflectivity spectra of CdGa2Se4, CdGa2S4 and CdA12S4 crystals have been investigated in the range 1-6 eV for the polarization E It c and E Z c at 300 and 77 K. The valence band splitting caused by spin-orbital interaction and by crystal field are calculated for the point k = 0. The band model has b