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EFFECT OF Ge(111) SURFACE TREATMENT ON LOW-ENERGY ELECTRON BACKSCATTERING

T. Yu. Popik1, V. M. Feyer1,* , O. B. Shpenik1, Yu. V. Popik2

Affiliation

  1. Institute of Electron Physics, Ukr. Nat. Acad. Sci., 21 Universitetska St. Uzhhorod 88000, Ukraine
  2. Uzhhorod National University, 46 Pidhirna St., Uzhhorod 88000, Ukraine

Abstract

Using low-energy electron backscattering technique with a high-resolution electron spectrometer, the effect of Ge(111) surface treatment on low-energy electron backscattering in the energy range 0.5–3.0 eV is studied. A possibility of control of electron properties of Ge(111) by surface treatment is shown. Features, observed in energy loss spectra, are related to the excitation of electron transitions between the density-of-states maxima in the valence band and conduction band of the reduced Brillouin zone and surface electron states for the surfaces under investigation..

Keywords

Germanium, Electron energy loss spectroscopy, Surface electronic phenomena.

Submitted at: Jan. 17, 2005
Accepted at: May 26, 2005

Citation

T. Yu. Popik, V. M. Feyer, O. B. Shpenik, Yu. V. Popik, EFFECT OF Ge(111) SURFACE TREATMENT ON LOW-ENERGY ELECTRON BACKSCATTERING, Journal of Optoelectronics and Advanced Materials Vol. 7, Iss. 3, pp. 1539-1546 (2005)