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Nanocrystalline silicon (nc-Si) thin films were deposited on polytetrafluoroethylene (PTFE, teflon) substrates using RF magnetron sputtering. The aim of this study was to study the physical and structural properties of nc-Si on the Teflon substrate. The thin films properties were examined by Raman spectroscopy and field emission scanning electron microscopy (FESEM). We found that at room temperature,...
Polycrystalline silicon (poly-Si) thin film was successfully deposited on glass substrate without substrate heating using radiofrequency (RF) magnetron sputtering. The effect of RF power and substrate bias on the structural properties of the thin films was studied. The film thickness and the deposition rate increased with the increasing RF power. Raman spectroscopy results it showed that the peak...
This paper described about design, fabrication and characterization of conductivity sensor using printed circuit board (PCB). The main objective is to sense the conductivity of aqua agriculture. A sensor was design by using interdigital capacitor concept where the term interdigital refers to pattern of fingers that is resembled by the shape and relative position of the electrodes. This sensor was...
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