Optical characterization of pure ZnSe films grown on GaAs

Young Dong Kim, S. L. Cooper, M. V. Klein, B. T. Jonker

Research output: Contribution to journalArticlepeer-review

Abstract

We report the first spectroscopic ellipsometry study of the E0, E00, E1, and E11 critical points in high-quality ZnSe films. These data seem to be the best identification of E1 and E11 peaks to date using ellipsometry. We also describe a chemical etching procedure which was successfully used to remove the natural surface oxide overlayer on the ZnSe films. X-ray photoelectron spectroscopy data after NH4OH treatment shows the disappearance of oxygen and oxidized Se peaks demonstrating the successful removal of surface oxide overlayer on ZnSe.

Original languageEnglish (US)
Pages (from-to)2387-2389
Number of pages3
JournalApplied Physics Letters
Volume62
Issue number19
DOIs
StatePublished - 1993

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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