Anisotropic dielectric function spectra from single-crystal CuInSe2 with orientation domains

A. Kreuter, G. Wagner, K. Otte, G. Lippold, A. Schindler, Mathias Schubert

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

The anisotropic optical constants of slightly In-rich CuInSe2 are determined on the (112) surface of a naturally grown single-crystal sample with orientation domains using generalized spectroscopic ellipsometry for photon energies between 0.8 and 4.5 eV. Orientation domains within the sample, revealed by electron diffraction investigation, cause biaxial response of the sample surface. The CuInSe2 dielectric functions are extracted at each wavelength rigorously considering orientation domains and surface roughness effects, and improve previous results.

Original languageEnglish (US)
Pages (from-to)195-197
Number of pages3
JournalApplied Physics Letters
Volume78
Issue number2
DOIs
StatePublished - Jan 8 2001

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single crystals
surface roughness effects
ellipsometry
roughness
electron diffraction
causes
photons
wavelengths
energy

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Anisotropic dielectric function spectra from single-crystal CuInSe2 with orientation domains. / Kreuter, A.; Wagner, G.; Otte, K.; Lippold, G.; Schindler, A.; Schubert, Mathias.

In: Applied Physics Letters, Vol. 78, No. 2, 08.01.2001, p. 195-197.

Research output: Contribution to journalArticle

Kreuter, A. ; Wagner, G. ; Otte, K. ; Lippold, G. ; Schindler, A. ; Schubert, Mathias. / Anisotropic dielectric function spectra from single-crystal CuInSe2 with orientation domains. In: Applied Physics Letters. 2001 ; Vol. 78, No. 2. pp. 195-197.
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