Scattering of Conduction Electrons by Localized Surface Charges

The Influence of Adsorption on Electrical and Magnetic Properties of Thin Metal Films

“…Since the density of charge carriers determines the screening distance of the surface charges, the effect of the screening can be systematically investigated. Kamins and MacDonald observed a surface mobility varying as predicted theoretically by Greene and O'Donnell (1966) for a Si-Si0 2 interface, which demonstrates the applicability of the above theory.…”

“…The phase shifts, η ν that determine the scattering, also depend on the distance over which the charge is screened and the momentum of the conduction electrons at the Fermi surface. As shown by Greene (1966), and Greene and O'Donnell (1966), however, the angle of incidence on the surface now influences the scattering too; the fraction of electrons scattered diffusely decreases as grazing incidence is approached. Adatoms more electropositive than the surface metal atoms, e.g.…”

Infrared Donor-Acceptor Pair Spectra Involving the Deep Oxygen Donor in Gallium Phosphide

“…[1][2][3] Recent work has shown that this red luminescence, which is of current practical interest in red electroluminescent GaP diodes, arises at low temperatures: (a) from the recombination of an exciton localized at a complex center involving both Zn and O, 4,5 and (b) from the recombination of electrons bound to this complex with holes trapped at relatively remote Zn acceptors. 5 Mechanism (b) represents a new type of pair recombination process in which the major cause of the dependence of the transition energy upon the pair separation (the Coulomb term) is absent as the electron trap is uncharged.…”

“…4,6 A comparison of the experimental red luminescence spectra corresponding to transitions (a) and (b) above has shown that the electron is bound to the ionized (neutral) Cd-0 acceptor-donor pair by almost 0.40 eV. 5 This large binding energy is due to the oxygen donor, and occurs despite the fact that interaction between the electron and the negatively charged nearest-neighbor acceptor ion raises the energy of the electron by ^0.5 eV.…”

Study of the size effects in the electrical resistivity of ultrathin (<Cu 40 nm) films in the framework of the statistical conduction models

“…• The Boltzmann's equation is written for the particular case where a single parameter P can describe the surface scattering. Indeed this assumption does not take into account the different kinds of surface scattering and especially, as pointed out by Greene [3,4], the scattering at the crystal surface by localized surface charges.…”