The surface properties of Cadmium and Mercury Telluride due to the adsorption of metallic atoms are investigated. Since the properties of the free surface are sensitive to the bulk bands, a realistic bulk band calculation is carried out using the empirical tight binding (ETB) method in a 16x16 sp3 orbital and spin basis for the anions and cations; the bulk band structure is recovered by parameterising the matrix elements in the ETB Hamiltonian. The anion (Tellurium) surface is formed by introducing an infinite repulsive potential localised within a layer of cations.
Adsorption on CdTe and HgTe Surfaces
NEILSON, DAVID;
1988-01-01
Abstract
The surface properties of Cadmium and Mercury Telluride due to the adsorption of metallic atoms are investigated. Since the properties of the free surface are sensitive to the bulk bands, a realistic bulk band calculation is carried out using the empirical tight binding (ETB) method in a 16x16 sp3 orbital and spin basis for the anions and cations; the bulk band structure is recovered by parameterising the matrix elements in the ETB Hamiltonian. The anion (Tellurium) surface is formed by introducing an infinite repulsive potential localised within a layer of cations.File in questo prodotto:
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