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Spectroscopic ellipsometric study of the dielectric function of ZnSe and its overlayer

  • T. J. Kim
  • , M. S. Koo
  • , M. S. Lee
  • , Y. D. Kim
  • , D. E. Aspnes
  • , B. T. Jonker

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

Using our best room-temperature < ε > spectrum as a representation of the true bulk dielectric function e of ZnSe, we determine the dielectric properties of the natural overlayer on ZnSe by following the evolution of < ε > with chemical processing. This overlayer has the optical properties of a Bruggeman effective-medium mixture of a-(amorphous-) Se, GaAsO3, and voids, showing that previous assumptions about the optical properties of the overlayer and its thickness are incorrect.

Original languageEnglish
Pages (from-to)S372-S375
JournalJournal of the Korean Physical Society
Volume39
Issue numberSUPPL. Part 1
Publication statusPublished - Dec 2001

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