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Low temperature absorption edge and photoluminescence study in TlIn(Se1-xSx)(2) layered mixed crystals
Date
2018-02-01
Author
Hasanlı, Nızamı
Metadata
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Transmission on TlIn(Se1-xSx)(2) mixed crystals (0.25 <= x <= 1) were carried out in the 400-800 nm wavelength range at T = 10 K. Band gap energies of the studied crystals were obtained using the derivative spectra of transmittance. The compositional dependence of direct band gap energy at T = 10 K revealed that as sulfur composition is increased in the mixed crystals, the direct band gap energy rises from 2.26 eV (x = 0.25) to 2.56 eV (x = 1).
Subject Keywords
Semiconductors
,
Band gap energy
,
Photoluminescence
,
Mixed crystals
URI
https://hdl.handle.net/11511/37719
Journal
PHYSICA B-CONDENSED MATTER
DOI
https://doi.org/10.1016/j.physb.2017.11.042
Collections
Department of Physics, Article