On the band gap anomaly in I–III–VI2, I–III3–VI5, and I–III5–VI8 families of Cu ternaries

SM Wasim, C Rincón, G Marın, JM Delgado - Applied Physics Letters, 2000 - pubs.aip.org
The experimentally observed energy band gap difference (E1) between the I–III3–VI5 and I–
III–VI2 and the energy band gap difference (E2) between the I–III5–VI8 and I–III–VI2 phases …

Temperature dependence of the optical energy gap and Urbach–Martienssen's tail in the absorption spectra of the layered semiconductor Tl2GaInSe4

B Abay, HS Güder, H Efeoğlu, YK Yoğurtçu - Journal of Physics and …, 2001 - Elsevier
The effect of temperature on the optical energy gap for Tl2GaInSe4 layered crystals were
investigated in the temperature range of 10–330K. The variation of the optical absorption …

Synthesis and Structures of New Ternary Aluminum Chalcogenides:  LiAlSe2, α-LiAlTe2, and β-LiAlTe2

J Kim, T Hughbanks - Inorganic chemistry, 2000 - ACS Publications
The synthesis and crystal structures of new ternary aluminum chalcogenides, LiAlSe2, α-
LiAlTe2, and β-LiAlTe2, are reported. These compounds are synthesized by solid-state …

The density functional study of electronic structure, electronic charge density, linear and nonlinear optical properties of single crystal alpha-LiAlTe2

AH Reshak, W Khan - Journal of alloys and compounds, 2014 - Elsevier
Self-consistent calculations is performed using the full potential linear augmented plane
wave (FP-LAPW) technique based on density functional theory (DFT) to investigate the …

The effect of γ-irradiation on the optical parameters of AgInTe2 Films

A El-Korashy - Radiation effects and defects in solids, 2001 - Taylor & Francis
Some optical properties in AgInTe2 thin films are studied as a function of γ dose. The
absorbance and transmittance spectra of the films were analyzed. The compound shows an …

Electronic and optical properties for Li1-xAgxAlTe2 alloys: potential transparent conductive material

S Kang, J Wang, L Yang, SW Fan - Physica Scripta, 2024 - iopscience.iop.org
Using the hybrid functionals combining the special quasi-random structure methods, the
properties of LiAlTe 2, AgAlTe 2, and their alloys (Li 1-x Ag x AlTe 2) are studied. Our study …

Compositional and temperature dependence of the energy band gap of CuxInySe2 epitaxial layers

HY Xu, D Papadimitriou, L Zoumpoulakis… - Journal of Physics D …, 2008 - iopscience.iop.org
The compositional and temperature dependence of the energy band gap of Cu x In y Se 2
epitaxial layers grown by metal-organic chemical vapour deposition on GaAs (1 0 0) …

Optoelectronic characterization of thin-film solar cells by electroreflectance and luminescence spectroscopy

CD Krämmer - 2015 - publikationen.bibliothek.kit.edu
Im Rahmen dieser Arbeit wurden Dünnschichtsolarzellen mit etablierten
Halbleiterspektroskopiemethoden, insbesondere Elektroreflektanzspektroskopie …

Dependence of Crystal‐Field Energy on Strain/Stress Sensed by Temperature Variation of Chalcopyrite Semiconductor (Optical) Band‐Gap for Efficient Band‐Gap …

DN Papadimitriou - physica status solidi (b) - Wiley Online Library
Chalcopyrite selenide single crystals and epitaxial layers (CuIn1− xGaxSe2, x= 0.00, 0.08,
0.19, 1.00) were characterized by temperature‐dependent photoreflectance (PR) …

Positive temperature variation of the bandgap energy in the single-crystalline chalcopyrite semiconductor AgInS2

S Ozaki, Y Horikoshi - Journal of Applied Physics, 2014 - pubs.aip.org
Optical absorption spectra have been measured on the single-crystalline chalcopyrite
semiconductor AgInS 2 using polarized light at T= 10–300 K. The bandgap energy E g of …