The indirect allowed optical-transitions in (GA0.3IN0.7)2SE3 (CROSBI ID 170864)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Kranjčec, Mladen ; Čelustka, Branko ; Etlinger, Božidar ; Desnica, Dunja
engleski
The indirect allowed optical-transitions in (GA0.3IN0.7)2SE3
Investigations of the absorption edge in single crystals of the (Ga0.3In0.7)2Se3 compound (hexagonal 1-phase) are performed for two basic polarizations E ∥ c and E ⟂ c, at temperatures T = 77, 120, 180, 240, and 300 K. Anisotropy in forbidden energy gap width and its linear dependence on temperature are found. Detailed analysis of indirect allowed optical transitions for absorption coefficients within the range from 17 to 200 cm−1 is done. Selection of the central segment on the absorption curves is justified by comparison of the theoretical and experimental data.
optical transition ; Ga-In-Se
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Podaci o izdanju
109 (1)
1988.
329-336
objavljeno
0031-8965
1521-396X
10.1002/pssa.2211090136