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In the present work anatase TiO2 nanoparticles (NPs) have been dispersed into the pure nematic liquid crystal (NLC) 2020 which is consisted of fluorinated 4'-alkylphenyl-4-isothiocyanatotolanes, in different concentration. The dispersion of TiO2 NPs in NLC induces photoluminescence what is an important finding of this study. It has also been found that the dispersion of TiO2 NPs reduces the UV absorbance...
An analytical thermal model of AlGaN/GaN high electron mobility transistor (HEMTs) has been developed. This temperature dependent model incorporates the polarization effects at heterointerface. The model also accounts for the mobility degradation with increase in temperature, which is one of the major causes in deteriorating the driving current. By using the variation of band gap with temperature,...
Novel CMOS device is proposed as a biochemical sensor. We modified the basic architecture of an extended floating-gate field-effect transistor (FET) to be suited for VLSI applications. The FET has a floating-gate that is umbrella-shaped (UGFET), maximizing its charge sensing area in a much reduced transistor area. Compared to previous extended floating-gate structures, the UGFET shows improved scalability...
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