Reconstruction induced changes in the electronic states of ZnSe(100)

G. P. Lopinski, J. R. Fox, J. S. Lannin, F. S. Flack, N. Samarth

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12 Scopus citations

Abstract

Electron energy loss spectroscopy (EELS) and ultraviolet photoemission have been used to study the electronic structure of ZnSe(100) surfaces. Changes in both the occupied states and electronic transitions are observed upon passing from the disordered, Se-saturated (1 × 1) surface to ordered Se-stabilized (2 × 1) and Zn-terminated c(2 × 2) reconstructions. In particular, the (2 × 1) surface is found to exhibit a lower onset of interband transitions than both the c(2 × 2) phase and bulk ZnSe. The smaller surface band-gap for this surface can be attributed to transitions involving Se dimer states lying within the bulk gap.

Original languageEnglish (US)
Pages (from-to)L355-L360
JournalSurface Science
Volume355
Issue number1-3
DOIs
StatePublished - Jun 1 1996

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Materials Chemistry

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