Optical functions and electronic structure of CuInSe2, CuGaSe2, CuInS2, and CuGaS2

Details Optical functions and electronic structure of CuInSe2, CuGaSe2, CuInS2, and CuGaS2 Optical functions and electronic structure of CuInSe2, CuGaSe2, CuInS2, and CuGaS2

2001-12-04

arxiv.org/abs/cond-mat/0112048v1

Phys. Rev. B 63, 075203 (2001)

Physics

Condensed Matter

Materials Science

Scientific paper

10.1103/PhysRevB.63.075203

We report on the complex dielectric tensor components of four chalcopyrite semiconductors in the optical energy range (1.4-5.2 eV, from 0.9 eV for CuInSe2) determined at room temperature by spectroscopic ellipsometry. Our results were obtained on single crystals of CuInSe2, CuGaSe2, CuInS2, and CuGaS2. Values of refractive indices n, extinction coefficients k and normal-incidence reflectivity R in the two different polarizations are given and compared with earlier data where available. We analyze in detail the structures of the dielectric function observed in the studied energy region. Critical-point parameters of electronic transitions are obtained from fitting of numerically calculated second-derivative spectra. Experimental energies and polarizations are discussed on the basis of published band structure calculations.

Affiliated with

Also associated with

No associations

Rating

Optical functions and electronic structure of CuInSe2, CuGaSe2, CuInS2, and CuGaS2 does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Optical functions and electronic structure of CuInSe2, CuGaSe2, CuInS2, and CuGaS2, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical functions and electronic structure of CuInSe2, CuGaSe2, CuInS2, and CuGaS2 will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-478987