We report on the complex dielectric tensor components of four chalcopyrite semiconductors
in an optical energy range (1.4–5.2 eV, from 0.9 eV for CuInSe 2) determined at room …

Optical constants of polycrystalline thin film CuIn 1− x Ga x Se 2 alloys with Ga/(Ga+ In)
ratios from 0 to 1 have been determined by spectroscopic ellipsometry over an energy range …

Optical functions of a specific semiconductor in a particular wavelength region are often
needed in optics and optoelectronics research. Basic optical properties of some materials …

We report pseudodielectric functions< ε> of the quaternary semiconductor alloys CuGa x In 1-
x Se 2. Measurements were done in polycrystalline samples from 0.7 to 5.2 eV at room …

The dielectric functions of Cu (In, Ga) Se 2 (CIGS)-based polycrystalline layers with different
Ga and Cu compositions have been determined by applying spectroscopic ellipsometry (SE) …

We present a systematic and comparative study of the structural and electronic properties of
Cu-based ternary and quaternary semiconductors using first-principles electronic structure …

The optical constants of Cu (In, Ga) Se 2 (CIGS)-based polycrystalline layers with different
Cu and Ga compositions are parameterized completely up to a photon energy of 6.5 eV …

The optical properties of CuInSe2, CuGaSe2, Cu2ZnSnS4, and Cu2ZnSnSe4 are
investigated using three different first-principles methods, namely the generalized gradient …

The dielectric functions of Cu 2 ZnGeS 4 bulk crystals grown by the Bridgman method were
measured over the energy range 1.4 to 4.7 eV at room temperature using variable angle …

Copper-based chalcogenide semiconductors are particularly attractive materials for
photovoltaic and nonlinear optical applications. Unfortunately, accurate theoretical …