In this paper we extend to rock salt, CsCl, diamond and zinc blende structured solids with conduction d electrons the calculation of ground state properties such as bulk modulus and cohesive energy using the plasmon oscillations theory of solids formalism already employed for chalcopyrite semiconductors. The present method is not limited to binary or ternary compounds but can be use for all the...

Information about the electronic structures of natural ZnS:Fe (zinc-blende) and CuFeS2 (chalcopyrite) has been obtained from K-edge absorption structure of Zn, Fe, Cu and S. The features in the edges of the different atoms have been used to place these spectra on a common energy scale. The inverse distance-energy relationship is consistent with the positions of shape resonances in the metal cat...

A crystallographic study using a four-circle diffractometer was carried out on a twin system observed in chalcopyrite-type AgGaS2 crystals grown by the Bridgman technique. The twin components have (112) planes in common, and coincide with each other in the direction of the atomic arrangement. The twin system is essentially a glide-twin characterized by successive glides of atomic layers paralle...

Lithium thioindate (LiInS2) is a new nonlinear chalcogenide biaxial material transparent from 0.4 to 12 μm, that has been successfully grown in large sizes and good optical quality. We report on new physical properties that are relevant for laser and nonlinear optics applications. With respect to AgGaS(e)2 ternary chalcopyrite materials, LiInS2 displays a nearly-isotropic thermal expansion beha...

Thin films of CuIn1-xAlxSe2 have been produced by the selenisation of magnetron sputtered Cu/In/Al precursor layers using elemental selenium and the chemical and physical properties of the layers have been determined for different conditions of synthesis. For optimum conditions of synthesis it was found possible to produce single phase films with the chalcopyrite structure. These films were pin...

CuIn2n+1S3n+2 crystals were synthesized by horizontal Bridgman method using high purity copper, indium, sulfur elements. The phases and crystallographic structure of the CuIn2n+1S3n+2 crystals were analyzed by X-ray diffraction (XRD) and the composition of the material powders was determined using the energy dispersive X-ray analysis (EDX). Measurement data revealed that CuIn2n+1S3n+2 materials...

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Atomic force microscopy is widely used to characterize the surface topography of a variety of samples. Kelvin probe force microscopy (KPFM) additionally allows determining images of the surface potential with nanometer resolution. The KPFM technique will be introduced and studies on surfaces of chalcopyrite semiconductors for solar cell absorbers will be presented. It is shown that operation in...