Materials Literature
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The silver nanoparticles production (~8 nm) byFusarium oxysporumwas evidenced by the presence of the plasmon absorption band. These particles were stable by several months due to protein capping originated by the biogenic process as observed by transmission electron microscopy (TEM). The cytotoxicity of silver nanopar…
This work concerns carbon nanofibers (CNF) as a material support to prepare nanocomposite electrode, and to use such electrode for fuel cell application. The nanocomposite electrode was produced by electrospinning mixtures of cobalt nitrate with aqueous solutions of polyvinyl alcohol (PVA) followed by high-temperature…
We report on a presence of intermediate-range order in amorphous GeTe and Ge2Sb2Te5 phase change films prepared by simple vacuum-thermal deposition. We find that thermally deposited GeTe and Ge2Sb2Te5 films show significant first sharp diffraction peaks (FSDPs) in the X-ray diffraction pattern, although the intensitie…
Recently, magnesium alloys have attracted much attention as a metallic biodegradable implant because of their excellent biocompatibility and mechanical compatibility. However, magnesium has a poor corrosion resistance due to its active chemical properties, which limited the application in orthopedic surgery. In this w…
Abstract Separated stocks of UK civil plutonium are currently held as a zero value asset in storage, as there is no final decision about whether they should be treated as a resource for future use as nuclear fuel or as waste. Irrespective of future UK government strategies regarding plutonium, at least a portion of th…
Photoluminescence properties of CuAlO2 nanoparticles, deposited by a cost-effective direct current sputtering technique, have been studied. The nanoparticles show room-temperature photoluminescence peaks of near-band-edge emission due to recombination of free excitons. A blue-shift in the emission peaks as a decreasin…
Abstract In this research the variation of mechanical and rheological properties of the composite as a function of different processing parameters and ethylene propylene diene monomer (EPDM) rubber content was studied. The optimum amount of dicumyl peroxide (DCP) to achieve the highest percentage of grafting of maleic…
Nonwoven materials are found in a gamut of critical applications. This is partly due to the fact that these structures can be produced at high speed and engineered to deliver unique functionality at low cost. The behavior of these materials is highly dependent on alignment of fibers within the structure. The ability t…
10.2217/nnm.12.159
Selective area growth of single crystalline Sn-doped In2O3 (ITO) nanowires synthesized via vapor-liquid-solid (VLS) method at 600°C was applied to improve the field emission behavior owing to the reduction of screen effect. The enhanced field emission performance reveals the reduction of turn-on fields from 9.3 to 6.6…
Graphene nano-ribbons (GNR) have been proposed for building up interconnects for 3-D ICs, due to their superior performance over conventional metallic materials. In this paper, signal integrity analyses of single- and multi-layered GNR (SLGNR & MLGNR) interconnects are carried out based on their equivalent circuit mod…
To evaluate spacecraft charging level and predict surface and internal electrostatic discharging (ESD) probability, it is important to know the charge transport properties of high insulation materials, such as epoxy resin/glass composition (FR4), Teflon and polyimide. In present work, the charge transport properties o…
The morphology and particle size of yttria stabilized zirconia (YSZ) nanopowders synthesized by Pechini's method are very much dependent on the type of chelating agent, pH of solution, calcinations temperature, calcinations time, etc. In the present study, the influence of process parameters like the type of zirconium…
The solution calorimetric method was used for the measurement of the formation enthalpy of the binary FeTi and Fe2Ti intermetallic phases and of the FeNiTi2 phase from the region of the ternary B2 one. The FeNi and FeNiTi2 phases were prepared by levitation melting and the Fe2Ti phase - by melting the metals in a glov…
Abstract To determine the relationships between the symmetry of the overall pyrophyllite and talc structure and the symmetry of individual layers, the geometry and symmetry of each 2:1 layer of pyrophyllite and talc were analyzed. For each, the previously published, refined unit cell may be rotated clockwise by ~60° f…
The effects of surface passivation on the photoluminescence (PL) properties of CdS nanoparticles oxidized by straightforward H2O2 injection were examined. Compared to pristine cadmium sulfide nanocrystals (quantum efficiency ≅ 0.1%), the surface-passivated CdS nanoparticles showed significantly enhanced luminescence p…
High-field electron transport properties in a two-dimensional nanolayer are studied by an application of the anisotropic nonequilibrium distribution function, a natural extension of the Fermi-Dirac distribution by inclusion of energy gained/absorbed in a mean free path (mfp). The drift velocity for conical band struct…
Laser ablation of Si(100) targets immersed in deionized water at room temperature was studied by applying the second harmonic of a ns pulsed Nd:YAG laser and by employing different methods for characterization of the resulting nanocrystals (NCs). Spontaneous Raman scattering showed first order Raman spectra of the Si…
Heat transport in low-dimensional systems has attracted enormous attention from both theoretical and experimental aspects due to its significance to the perception of fundamental energy transport theory and its potential applications in the emerging field of phononics: manipulating heat flow with electronic anologs. W…
The objective of the study is to explore the anticancer activity of di-(2-ethylhexyl) phthalate (DEHP) isolated from Calotropis gigantea flower against Ehrlich ascites carcinoma cells (EAC) in Swiss albino mice. The activity of DEHP was evaluated at doses of 10, 20 and 40 mg kg-1 body mass applied intraperitoneally. D…