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We have investigated the dependence of optical, photoelectric and electrical characteristics of heteroepitaxial AlxGa1-x As/GaAs structures on active interface microrelief morphology. Experimental study of heterostructures included analysis of surface microrelief parameters by AFM techniques, measurements of specular and diffuse reflection spectra, the dark and light current-voltage (I-V) characteristics...
The nanotechnology with chemical deposition (CD) and rapid photothermal processing (RPP) of nanostructured ZnO thin films for solar cell applications was elaborated. The influence of growth processes and the impact of RPP on surface morphology, particles size and resistivity values are presented and discussed. The ZnO thin films were deposited on silicon substrates by chemical deposition method at...
External magnetic field influence on silicon submicron surface periodic structures obtained by the action of nitrogen supersonic quasistationary compression plasma flow (CPF) is studied. CPF is generated by magnetoplasma compressor. It was found that, without external magnetic field, highly-oriented silicon periodic cylindrical shape structures are produced during single pulse surface treatment. Silicon...
This paper discusses on the effect of number of zincation in electroless nickel immersion gold (ENIG) under bump metallurgy (UBM) on reliability in microelectronics packaging. Double and triple zincation of ENIG methods were used as comparison study. The effect of number of zincation to surface roughness and surface morphology were investigated. All samples were subjected to reliability tests such...
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